18 x 12 x 4" White Corrugated Mailers

Name: 18 x 12 x 4" White Corrugated Mailers
Brand: Boxes 4 U
Availability: InStock

Boxes 4 U · sold by Boxes 4 U · $7.42 · in stock

Corrugated Mailers are super strong yet lightweight to save on postage. Perfect for shipping small, lightweight fragile items. Manufactured from ECT-32-B, white corrugated. These one-piece mailers fold together in seconds. Crush resistant mailers fold to provide double walls of protection on front and sides. No tape, glue or staples needed.

Option	Price	Stock
Default Title	$7.42	in stock	Order via Kaupia → · Buy at Boxes 4 U

Prices and stock from boxes4u.com’s public catalog, last checked 2026-11-01 19:01 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:c7c6ea01-86df-48aa-9f7a-bc0f7bb575ab; delivered price GET /v1/quote; order with POST /v1/orders or MCP place_order.