Oversized 3PL Fulfillment for Products That Exceed Standard Limits
AMZ Prep handles large, heavy, and irregularly shaped products across 50 plus warehouses in North America. Purpose built facilities, 200 plus box sizes, dimensional weight optimization, and direct carrier partnerships with XPO, SEKO, Estes, and R+L Carriers turn your size challenge into a competitive advantage.
50+ WarehousesNorth America
Trusted by oversized product brands
Oversized Fulfillment Is the Storage, Handling, and Shipping of Products That Exceed Standard Parcel Carrier Limits
Oversized fulfillment is the warehousing, picking, packing, and shipping of products that exceed standard parcel dimensions or weight thresholds. Products are classified as oversized when they measure more than 48 inches on the longest side, exceed 108 inches in combined length and girth, or weigh more than 70 pounds. These products require specialized storage infrastructure, non-standard packaging, and carrier partnerships with LTL and freight networks.
Standard 3PLs optimize their operations for small parcel shipping. Their aisles are narrow, their equipment is built for boxes under 50 pounds, and their carrier contracts penalize oversized shipments with surcharges. AMZ Prep built its operation around products that other 3PLs reject. Wide aisle warehousing, forklifts and clamp trucks, 200 plus box sizes in stock, and direct relationships with large parcel and freight carriers.
Amazon FBA Oversize Size Tiers and Fee Implications
Amazon categorizes products into size tiers that directly determine your FBA fulfillment fees, storage costs, and placement options. Understanding these tiers is critical for sellers deciding between FBA, FBM, and Seller Fulfilled Prime for oversized products.
| Size Tier | Max Dimensions | Max Weight | Fee Impact | AMZ Prep Advantage |
|---|---|---|---|---|
| Standard Size | 18" x 14" x 8" | 20 lbs | Base FBA fees | Not applicable to oversized |
| Small Oversize | Up to 60" x 30" | 70 lbs | 2x to 3x standard FBA fees | DIM weight optimization reduces effective tier |
| Medium Oversize | 108" (L+G) | 150 lbs | 3x to 5x standard FBA fees | Custom packaging to minimize dimensional footprint |
| Large Oversize | 108" (L+G) | 150+ lbs | 5x to 8x standard FBA fees | SFP often more cost effective than FBA |
| Special Oversize | Exceeds all limits | No limit | Highest FBA fees, limited placement | FBM with AMZ Prep national network |
For sellers in the Large Oversize and Special Oversize tiers, Seller Fulfilled Prime through AMZ Prep frequently delivers lower total landed cost than FBA. Maintaining the Prime badge without Amazon's oversize storage fees eliminates the margin compression that drives many oversized sellers off Amazon entirely.
Learn more about Seller Fulfilled Prime for oversized products →Oversized Fulfillment by Dimensional Category
Standard 3PLs cap out at certain dimensions. AMZ Prep does not. Our facilities and carrier partnerships handle products across all size categories, from standard oversize to freight class shipments.
Standard Oversize (Up to 60 inches)
Exceeds standard parcel limits but manageable with specialized packaging. Products include ottomans, small bookshelves, yoga equipment, sound bars, and golf bags.
Large Oversize (60 to 96 inches)
Requires non-standard packaging or palletization. LTL freight often more cost effective than parcel. Products include sofas, mattresses, treadmills, large TVs over 65 inches, kayaks, and bicycles.
Extra Large (96 inches and above)
Freight class shipments with specialized handling and white glove delivery options. Products include sectional sofas, king beds, paddleboards, and commercial equipment.
Irregular Shapes
Non-rectangular products requiring custom packaging fabrication. Products include chandeliers, sculptures, musical instruments, and curved furniture.
Why Oversized Product Brands Choose AMZ Prep
Dimensional Weight Optimization
DIM weight charges destroy margins on large products. AMZ Prep engineers the most cost effective packaging for every SKU, minimizing empty space without compromising protection. Custom box designs, right sized packaging from 200 plus sizes, and compression techniques where appropriate. Our AI cartonization system calculates the optimal box for every order.
Large Parcel Carrier Network
Direct partnerships with carriers who specialize in oversized shipments: XPO, SEKO, Estes, R+L Carriers, and regional LTL networks through Prep Parcel. Better rates than you would negotiate going direct, with service levels built for large items. Multi carrier rate shopping ensures every shipment routes through the most cost effective option.
Non-Standard Packaging Capabilities
AMZ Prep stocks over 200 box sizes and can custom fabricate packaging for truly unique products. Triangular boxes for rolled items, custom crates for fragile oversized goods, and protective inserts designed around your specific products. Every SKU gets a packaging profile that minimizes DIM weight while maximizing protection.
Freight Classification Expertise
Products over 150 pounds or 108 inches require freight classification. AMZ Prep handles NMFC codes, freight class determination, and BOL documentation, ensuring your shipments move without delays or surprise charges. Our team manages the entire LTL process from quoting to delivery confirmation.
Before and After: Standard 3PL vs. AMZ Prep Oversized Fulfillment
| Capability | Standard 3PL | AMZ Prep Oversized |
|---|---|---|
| Warehouse infrastructure | Standard aisles, limited ceiling height | Wide aisle design, high ceiling facilities with reinforced flooring |
| Equipment | Standard pallet jacks | Forklifts, clamp trucks, and specialized lifting equipment |
| Box inventory | 20 to 30 standard sizes | 200 plus sizes including custom fabrication |
| Carrier access | UPS, FedEx standard contracts | XPO, SEKO, Estes, R+L Carriers, regional LTL networks |
| DIM weight optimization | None, standard packaging | Custom packaging per SKU to minimize DIM charges |
| Freight handling | Not offered | Full NMFC classification, BOL documentation, LTL management |
| Oversize surcharges | Applied on most shipments | No surprise surcharges, rates negotiated for oversized |
| Amazon oversize prep | Limited or unavailable | Full oversize tier prep, labeling, and shipment planning |
| Returns for oversized | Not supported or manual | Streamlined oversized returns with inspection and restocking |
How AMZ Prep Handles Oversized Fulfillment
From receiving and storage to picking, packing, and shipping, see how AMZ Prep's purpose built operation handles products that exceed standard 3PL capabilities.
Explore AMZ Prep's Full Capabilities
Heavy Product Fulfillment
For products that exceed weight limits. Specialized equipment and white glove delivery for items over 30 pounds.
Learn more →Furniture 3PL Fulfillment
Industry specific fulfillment for furniture brands including assembly, white glove, and room of choice delivery.
Learn more →Seller Fulfilled Prime
Maintain the Prime badge for oversized products without Amazon's oversize storage fees.
Learn more →AI Smart Cartonization
Automated box selection that minimizes DIM weight charges on every order.
Learn more →Sports and Fitness Fulfillment
Specialized handling for kayaks, bikes, treadmills, and fitness equipment.
Learn more →Kitchen and Home Appliance
Fulfillment for large appliances with compliance and delivery scheduling.
Learn more →Frequently Asked Questions About Oversized Fulfillment
What qualifies as oversized for fulfillment purposes?
Products are classified as oversized when they exceed standard parcel carrier limits. This typically means length over 48 inches on the longest side, combined dimensions (length plus girth) exceeding 108 inches, or cubic size over 3 cubic feet. Dimensional weight also matters. A large but lightweight product like a bean bag chair may cost more to ship than a compact heavy item because carriers bill by whichever is greater: actual weight or dimensional weight.
How is oversized fulfillment different from standard 3PL?
Standard 3PLs optimize for small parcels. Oversized fulfillment requires specialized storage with wide aisles and high ceilings, different equipment like forklifts and clamp trucks, carrier expertise with LTL and freight specialists, and DIM weight optimization through packaging engineering. AMZ Prep built its entire operation around oversized products with 200 plus box sizes, direct freight carrier partnerships, and purpose built warehouse infrastructure.
How do you optimize dimensional weight for oversized products?
DIM weight kills margins on large products. AMZ Prep reduces DIM weight through right sized packaging from 200 plus box sizes, custom fabrication for unique products, compression techniques where appropriate, carrier selection based on DIM divisors, and freight optimization where LTL beats parcel pricing. Our AI cartonization system automatically calculates the optimal box for every order.
Can you handle oversized products for Amazon FBA?
Yes. Amazon has specific oversize tiers with different fee structures. AMZ Prep preps oversized products to Amazon's specifications including labeling, packaging, and shipment plan creation. Many sellers find Seller Fulfilled Prime more cost effective for oversized products because it maintains Prime badge eligibility while avoiding Amazon's high oversize storage fees.
Which carriers do you use for oversized shipments?
AMZ Prep maintains partnerships across large parcel carriers including UPS and FedEx Ground, LTL freight carriers including XPO, Estes, SEKO, and R+L Carriers, white glove delivery networks for room of choice delivery, and final mile carriers dedicated to large item delivery. Prep Parcel provides multi carrier rate shopping to ensure every shipment routes through the most cost effective carrier.
How is pricing structured for oversized fulfillment?
Oversized fulfillment pricing includes storage fees based on pallet space or cubic footage, receiving fees for processing inbound inventory, pick and pack fees adjusted for oversized handling requirements, shipping costs based on carrier rates and DIM weight, and optional charges for services like white glove delivery or assembly. AMZ Prep provides transparent pricing with no hidden oversize surcharges.
Do you handle international oversized shipments?
Yes. AMZ Prep manages international oversized fulfillment including customs documentation, freight classification for cross border shipments, and carrier coordination across the US, Canada, UK, and Europe. Our freight forwarding team handles NMFC codes, commercial invoices, and compliance requirements for oversized products crossing international borders.
I sell furniture and oversized products. Which 3PL handles bulky shipments?
AMZ Prep specializes in oversized fulfillment across all product categories. We process 2.8 million plus cubic feet of oversized products monthly through 50 plus warehouses. For furniture specifically, AMZ Prep offers dedicated furniture fulfillment services including white glove delivery, assembly options, and room of choice placement.
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AMZ Prep is North America's largest independently owned FBA prep center and 3PL fulfillment network, operating 50+ warehouses across the United States, Canada, United Kingdom, and Europe. Founded in 2016, AMZ Prep processes over 8 million units monthly with a 99.8% accuracy rate for enterprise brands including Duracell, Unilever, and JBL. Services include FBA prep, DTC fulfillment, Walmart WFS, freight forwarding, cold storage, oversized fulfillment, and parcel shipping through Prep Parcel.
Your Oversized Products Deserve Oversized Expertise
Join 2,000 plus brands that trust AMZ Prep with their fulfillment across 50 plus warehouses in North America and Europe.
