Best Pick
⚠ DIM +6 lb100% Perfect fit25 Pack Corrugated Shipping Boxes 6x6x36 Cardboard Mailers Kraft Packing Boxes
6″ × 6″ × 36″
+$0.00 Seller Free shipping · 8 lb billed
$2.04
landed per box
pack of 25 · $51.00
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Cheapest 36×6×6 shipping tube
Compare real eBay prices for 36×6×6 shipping boxes with DIM-weight-aware shipping estimates.
Live listings — sorted by landed cost per box
⚠ DIM +6 lb100% Perfect fitBuy →
⚠ DIM +6 lb100% Perfect fit25 Boxes 36x6x6" Long Corrugated Shipping Boxes ECT-32 Kraft Packing Cartons
36″ × 6″ × 6″
+$0.00 Seller Free shipping · 8 lb billed
$3.12
landed per box
pack of 25 · $78.00
⚠ DIM +9 lb92% Perfect fit6" x 6" x 48" Tall Cardboard Corrugated Boxes Lot of 25
6″ × 6″ × 48″
+$0.00 Seller Free shipping · 11 lb billed
$3.71
landed per box
$3.57 each
pack of 25 · $89.25
Buy + Easy Reshape⚠ DIM +25 lb15 Boxes 30x12x12" Long Corrugated Shipping Boxes ECT-32 Brown Packing Cartons
30″ × 12″ × 12″
+$0.00 Seller Free shipping · 27 lb billed
$5.06
landed per box
pack of 15 · $75.90
Buy + Easy Reshape⚠ DIM +12 lb25 Boxes 30x12x6" Flat Corrugated Shipping Boxes ECT-32 Brown Packing Cartons
30″ × 12″ × 6″
+$0.00 Seller Free shipping · 14 lb billed
$5.55
landed per box
pack of 25 · $138.75
Buy + Easy Reshape⚠ DIM +12 lb30" x 12" x 6" CARDBOARD BOX -200 lb - SINGLE BOX
30″ × 12″ × 6″
+$10.00 Seller Calculated · 14 lb billed
$6.66
landed per box
$3.33 each
pack of 3 · $9.99
Showing 6 of 9 real listings. Want all of them with custom quantity and weight? Search now →
What fits in a 36×6×6 box
A 36 × 6 × 6 inch box holds 1,296 cubic inches (0.75 cu ft) of interior space, putting it in the medium-long category. It's a popular choice for shipping items like curtain rods, fishing rod cases, long tools — things that fit comfortably within those dimensions while leaving room for protective padding. Bulk packs of 25, 50, and 100 are the common listing sizes, with per-unit pricing typically between $0.60 and $2.00 depending on quantity and seller.
Shipping math for this size
Shipping cost for this size depends heavily on dimensional weight. For a 36×6×6 box, UPS and FedEx Ground compute a DIM weight of 10 lbs using their 139 divisor, while USPS Ground Advantage uses a 166 divisor, giving 8 lbs. Carriers bill whichever is greater — your actual weight or the DIM weight. USPS's higher divisor makes it roughly 2 lbs cheaper than UPS/FedEx for this size when your item is light, which is why our search results factor in DIM-weight automatically instead of just showing sticker prices.
How to pick the right pack size
When buying a 36×6×6 box, the biggest cost lever isn't which retailer you pick — it's which pack size you commit to. A 100-pack typically costs 2-3× more than a 25-pack but brings the per-unit cost down by 40-60%. Our ranking is based on **landed cost per box** — the pack price plus shipping, divided by the number of boxes. A 100-pack with $10 shipping works out cheaper per box than a 25-pack with the same shipping, because the fixed cost spreads further. Every listing below links to a real product page from eBay, ULINE, or other retailers; we don't show placeholder results.
Search with your own dimensions
Pre-filled with 36×6×6. Adjust weight, quantity, or size as needed — we'll re-rank for your exact scenario.