18 x 18 x 12" Heavy-Duty Boxes

Name: 18 x 18 x 12" Heavy-Duty Boxes
Brand: Boxes 4 U
Availability: InStock

Boxes 4 U · sold by Boxes 4 U · $6.54 · in stock

Heavy-duty construction provides greater protection and stacking strength. Manufactured from heavy-duty ECT-44 single wall kraft corrugated. These cartons are 40% stronger than standard shipping containers. Sold and shipped flat in bundle quantities.

Option	Price	Stock
Default Title	$6.54	in stock	Order via Kaupia → · Buy at Boxes 4 U

Prices and stock from boxes4u.com’s public catalog, last checked 2026-11-02 19:07 UTC. “Order via Kaupia” shows the delivered price to your zip (item + the store’s shipping + est. tax) and places the order through Kaupia with a delivery guarantee; “Buy at the store” goes to the store’s own checkout. Agents: JSON at https://api.kaupia.com/v1/product?id=kp:da500322-3544-489b-98f5-bb7554b284e2; delivered price GET /v1/quote; order with POST /v1/orders or MCP place_order.