As an Amazon seller, you should know all about the platform’s rules and regulations. Being aware of them saves you effort and money, especially if you sell non-standard products. On the one hand, selling such items may mean lower competition because only some sellers will risk selling them. On the other hand, selling non-standard products may mean more hassle.
Since large bulky and extra-large inventory is considered non-standard, selling it comes with its own set of challenges. This post will discuss Amazon’s bulky and extra-large inventory, the different large bulky and extra-large tiers, how Amazon processes FBA these items, and the associated fees.
Related: How Does Amazon FBA Work. Is Amazon FBA worth it?
What Is Amazon FBA Large Bulky and Extra-Large Inventory?
Large bulky and extra-large (previously called oversize) inventory on Amazon refers to products that exceed the standard size and weight limits. Due to irregular dimensions, these products require special handling and storage.
Products that exceed standard limits set by Amazon are charged additional fees, and their shipping and fulfillment options differ from standard-sized products.
Since February 5, Amazon has made changes to oversize product size tiers and replaced them with the new large bulky and four extra-large sizes.
Amazon Large Bulky and Extra-Large Tiers
Amazon has five different size tiers for large bulky and extra-large products, ranging from “large bulky” to “extra-large 150+ lb”. Each tier has its own size and weight limits.
Amazon Large Bulky Tier vs Amazon Extra Large Tier
Breakdown of Amazon’s large bulky and extra-large tiers
Large bulky
Large bulky are products larger than large standard-sized items, with a shipping weight of up to 50 pounds, the longest side of up to 59 inches, the median side of up to 33 inches, the shortest side of up to 33 inches, and a length of up to 130 inches.
Extra-large
Extra-large are products with unit weight or dimensional weight larger than 50 lbs, the longest side of over 59 inches, the median side of over 33 inches, the shortest side of over 33 inches, and a length of up to 130 inches. The extra-large tier has four sub-tiers.
- Extra-large 0 to 50 lb — products with a shipping weight of up to 50 pounds;
- Extra-large 50+ to 70 lb — products with a shipping weight of 50+ to 70 pounds;
- Extra-large 70+ to 150 lb — products with a shipping weight of 70+ to 150 pounds;
- Extra-large 150+ lb — products with a shipping weight of over 150 pounds.
How to Determine the Product Large Bulky and Extra-Large Tier?
To determine your product’s large bulky and extra-large tier, you must calculate its volume and shipping weight. Amazon calculates the volume of the product by multiplying its length, width, and height.
To identify the size tier, you must first determine the volume and dimensions of your product. Then, measure the item’s shipping weight and dimensional weight (a calculation of the volumetric weight of a package using the package’s length, width, and height). Shipping weight is the greater of unit weight or dimensional weight. Compare your values and the numbers in the table below to get the product size tier.
| Storage type | Packaging criteria | Dimensional criteria |
|---|---|---|
| Extra-Large | If length is 70 to 96 inches, item must be classified as Ship in Own Container or “SIOC”. See Packaging Criteria below for details. | Any of the following: |
| – Longest side 70 inches or more (40 inches or more for TVs) | ||
| – Girth + length 130 inches or more | ||
| – Unit weight 50 lb or more | ||
| Oversize | No requirements | Any of the following: |
| – Longest side 18 to 70 inches | ||
| – Median side 14 inches or more | ||
| – Shortest side 8 inches or more | ||
| – Unit weight 20 to 50 lb |
If your product’s volume exceeds the maximum for a particular size tier, it will be classified as the next highest tier.
Example of product size tier calculation
Product
Large yoga mat (assume dimensions: 72 inches long, 24 inches wide, and 0.5 inches thick)
Weight: 5 pounds (assumed weight)
Amazon large bulky criteria
- Max weight: 50 lbs (our yoga mat meets this with 5 lbs)
- Max length: 130 inches (our yoga mat is 72 inches, well within the limit)
- Max median side: 33 inches (median side is the average of width and height. In this case, (24 inches + 0.5 inches) / 2 = 12.25 inches, which is well under 33 inches)
Dimensional weight calculation
Amazon uses a formula to calculate dimensional weight (Dim weight):
Dim weight (lbs) = (length x width x height) / divisor (139, cubic inches per pound)
For our yoga mat:
Dim weight = (72 inches x 24 inches x 0.5 inches) / 139 cubic inches/lb = 6.55 lbs (approximately)
Determining size tier
- Actual weight: The yoga mat weighs 5 pounds.
- Dimensional weight: We calculated the Dim weight to be approximately 6.55 lbs.
Amazon considers the greater of the two:
- In this case, the dimensional weight (6.55 lbs) is greater than the actual weight (5 lbs).
Conclusion
Since the dimensional weight (6.55 lbs) is greater than 5 lbs and exceeds some of the dimensional limits for large bulky, the yoga mat might not qualify for large bulky.
Note. Dimensional weight equals the unit volume (length x width x height) divided by 139. The dimensional weight for large bulky and extra-large items assumes a minimum width and height of 2 inches.
Dimensional Weight Formula
For FBA, Amazon uses dimensional weight when it’s greater than the unit weight for small large bulky, and extra-large products (excluding 150+ pounds), to calculate fees. Fees for small standard-size products and extra-large 150+ pound units are calculated using only unit weight.
For Multi-Channel Fulfillment (MCF), the dimensional weight is calculated for all large bulky and extra-large items, regardless of whether the item is apparel.
Large bulky and extra-large product size tier examples
Below you can find some examples of products that fall into each of the size tiers.
Large bulky
- Large Area Rug: Thick rugs around 8’ x 10’ (96” x 120”) qualify.
- Inflatable SUP: Deflated for portability, these boards inflate up to 10 feet.
- Oversized Pool Float: Fun pool floats in various shapes can reach over 5 feet long.
- Large Hammock with Stand: Look for sets that fit the size and weight limits.
- Large Folding Projector Screen: Enjoy movie nights with a large screen that folds for storage.
Extra-large (0 to 50 lb)
- Outdoor furniture: Patio chairs, chaise lounges, folding tables
- Appliances: Large microwaves, stand mixers, dishwashers (depending on model)
- Sporting goods: Kayaks (inflatable or disassembled), treadmills (folded)
- Large grills: Gas grills with multiple burners and side tables
- Large pet beds: Dog beds for giant breeds
| Item | Details |
|---|---|
| White dry erase board | Dimensions: 40 x 1 x 25 inches |
| Unit weight: 4.5 lb | |
| Dimensional weight: 14.4 lb (2-inch minimum applied) | |
| Calculation: 40 x 2 x 25 ÷ 139 = 14.4 lb |
2023: Item is oversized, but not special oversized, so dimensional weight is used for fee calculations.
2024: Item is large bulky, so dimensional weight is used for fee calculations. |
Extra-large (50+ to 70 lb)
- Mattresses: King-size and California King-size mattresses
- Washers and dryers: Large capacity models
- Outdoor power equipment: Lawnmowers, snowblowers
- Large exercise equipment: Elliptical trainers, weight benches
- Large tool chests: Rolling tool chests with multiple drawers
Extra-large (70+ to 150 lb)
- Refrigerators: Large side-by-side refrigerators
- Freezers: Stand-alone deep freezers
- Sofas and sectionals: Large living room furniture pieces
- Pool tables: Disassembled pool tables
- Large playground equipment: Swing sets, playhouses
Extra-large (150+ lb)
- Pool tables: Assembled pool tables
- Jacuzzis and hot tubs: Portable or inflatable models
- Saunas: Indoor or outdoor saunas
- Large playground equipment: Wooden swing sets, climbing structures
- Heavy machinery (may require special shipping): Workbenches, engine lifts (depending on model)
| Product size tier | Unit weight* | Longest side | Median side | Shortest side | Length + girth |
|---|---|---|---|---|---|
| Small standard-size | 16 oz | 15 inches | 12 inches | 0.75 inch | NA |
| Large standard-size | 20 lb | 18 inches | 14 inches | 8 inches | NA |
| Small oversize | 70 lb | 60 inches | 30 inches | NA | 130 inches |
| Medium oversize | 150 lb | 108 inches | NA | NA | 130 inches |
| Large oversize | 150 lb | 108 inches | NA | NA | 165 inches |
| Special oversize | Over 150 lb | Over 108 inches | NA | NA | Over 165 inches |
How Does Amazon Process FBA Large Bulky and Extra-Large Items?
When you send a large bulky or extra-large product to an Amazon fulfillment center, large bulky and extra-large items are split from standard-size inventory into separate shipments. Large bulky and extra-large units are directed to a separate facility that handles large bulky and extra-large items.
Amazon will then measure and weigh your product to determine its size tier and charge you the appropriate fees. Amazon may also require additional handling and packaging for large bulky and extra-large items, further impacting the fulfillment cost.
What Are Amazon Large Bulky and Extra-Large FBA Fees?
Amazon large bulky and extra-large fees vary depending on the product’s size and weight tier. The fees range from $9.73/lb for large bulky products to $194.95/lb for extra-large products. They differ in dangerous and non-dangerous goods.
FBA fulfillment fees
Non-standard-size non-apparel rates
Non-standard-size non-apparel rates
Non-standard-size apparel rates
Non-standard-size apparel rates
Non-standard-size dangerous goods rates
Non-standard-size dangerous goods rates
FBA inbound placement service rates
Amazon charges the FBA inbound placement service fee for distributing inventory to designated fulfillment centers closer to customers.
FBA inbound placement fees non-standard-size products
Storage fees
Storage fees for storing large bulky and extra-large inventory in Amazon warehouses are also higher than for standard goods. Storage fees are calculated based on the daily average volume of the space inventory occupies. The rate is based on product type, size tier, and time of year.
Basic storage fees after April 1
Basic storage fees for dangerous products
It’s important to note that these fees are in addition to the standard FBA fees, referral fees, and other charges that may apply to your product. As an Amazon seller, it’s essential to consider these fees when pricing your product and calculating your profit margins.
Tip. To accurately account for all large bulky and extra-large product fees, Amazon sellers use various Amazon fee calculators. One of the best Amazon profit calculators is Seller Assistant FBM&FBA calculator. It helps you quickly calculate all FBA fees and expenses directly on the Amazon product page and in the Side Panel View on any website.
Seller Assistant FBM&FBA calculator
Related: Amazon FBA Fees
Amazon FBA Storage Fees Explained
How To Quickly Check Products for Large Bulky and Extra-Large?
If you are still unsure whether the product belongs to a large bulky or extra-large size tier, it may be challenging to find that out. However, there is a way to do it fast.
Seller Assistant allows you to determine whether a product belongs to a large bulky or extra-large size tier directly on the Amazon product and search pages. If a product belongs to a large bulky or extra-large size tier, Seller Assistant will give you a large bulky and extra-large product notification.
If you see the Red Box icon on your Amazon product or search pages, or in the Side Panel View, that indicates the product is large bulky, or extra-large.
Seller Assistant shows the Red Box icon on your Amazon product or search pages, or in the Side Panel View, if the product is large bulky, or extra-large.
What If I Believe My Product Isn’t Large Bulky / Extra-Large?
If you believe your product has been incorrectly classified as large bulky and extra-large, you can submit a remeasurement request to Amazon. Amazon will then measure and weigh your product again to determine if it has been correctly classified. If it’s determined that your product is not large bulky or extra-large, Amazon will reimburse any large bulky and extra-large fees.
FAQ
What is Amazon extra large?
Amazon “Extra Large” is a product size tier for bulky or heavy items. It applies to products that weigh over 50 lbs and have the longest side of over 59 inches, the median side of over 33 inches, the shortest side of over 33 inches, and a length of up to 130 inches, or have a dimensional weight exceeding specific limits, even if they’re not incredibly large.
What is oversized Amazon?
On Amazon, “oversized” refers to products exceeding standard size and weight limits. This means they take up more space or weigh more than what’s typical for easy and efficient storage and fulfillment by Amazon.
How do you identify an oversized package Amazon?
Seller Assistant allows you to determine whether a box belongs to oversize (large bulky or extra-large) size tier directly on the Amazon product and search pages. If a product belongs to oversize, Seller Assistant will give you a large bulky and extra-large product notification. If you see the Red Box icon on your Amazon product or search pages, or in the Side Panel View, that indicates the product is large bulky, or extra-large.
What is an oversized box for Amazon?
An oversized box for Amazon refers to any shipping container with dimensions or a combined weight exceeding their standard size limits. This means the box is too big or too heavy for their typical handling processes and may incur additional fees.
Final Thoughts
Understanding Amazon’s large bulky and extra-large inventory guidelines is crucial for sellers who want to avoid additional fees and shipping charges. By knowing the size tiers, how to determine the product size tier and the fees associated with large bulky, and extra-large products, you can make informed decisions about which
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