![Fixed-Depth Brown Corrugated Shipping Boxes, Regular Slotted Container (RSC), X-Large, 12" x 18" x 6", Brown Kraft, 25/Bundle [SKU: UNV18126]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/92740/90554/804213__09421.1683128292.JPG?c=1 "Fixed-Depth Brown Corrugated Shipping Boxes, Regular Slotted Container (RSC), X-Large, 12\" x 18\" x 6\", Brown Kraft, 25/Bundle [SKU: UNV18126]")
![Fixed-Depth Brown Corrugated Shipping Boxes, Regular Slotted Container (RSC), X-Large, 12" x 18" x 6", Brown Kraft, 25/Bundle [SKU: UNV18126]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/92740/90554/804213__09421.1683128292.JPG?c=1 "Fixed-Depth Brown Corrugated Shipping Boxes, Regular Slotted Container (RSC), X-Large, 12\" x 18\" x 6\", Brown Kraft, 25/Bundle [SKU: UNV18126]")
Product Overview
Sturdy and economical 200-lb test corrugated Kraft boxes. Heavy-duty ECT-32-C Flute corrugated material. Shipped flat, they assemble easily with shipping tape (sold separately). [QTY/UOM: 25 / 1BD] [PMS SKU: ] [Category: OFFICE SUPPLIES/CARTONS & MAILERS;Shop All]
![Fixed-Depth Corrugated Shipping Boxes, Regular Slotted Container (RSC), 12" x 18" x 12", Brown Kraft, 25/Bundle [SKU: UNV181212]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/92739/90553/97493__35216.1683128292.JPG?c=1 "Fixed-Depth Corrugated Shipping Boxes, Regular Slotted Container (RSC), 12\" x 18\" x 12\", Brown Kraft, 25/Bundle [SKU: UNV181212]")
![Fixed-Depth Brown Corrugated Shipping Boxes, Regular Slotted Container (RSC), Large, 12" x 12" x 7", Brown Kraft, 25/Bundle [SKU: UNV12127]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/92595/90409/804233__06642.1683128259.JPG?c=1 "Fixed-Depth Brown Corrugated Shipping Boxes, Regular Slotted Container (RSC), Large, 12\" x 12\" x 7\", Brown Kraft, 25/Bundle [SKU: UNV12127]")
![Fixed-Depth Corrugated Shipping Boxes, Regular Slotted Container (RSC), 12" x 12" x 6", Brown Kraft, 25/Bundle [SKU: UNV12126]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/92594/90408/97490__29179.1683128259.JPG?c=1 "Fixed-Depth Corrugated Shipping Boxes, Regular Slotted Container (RSC), 12\" x 12\" x 6\", Brown Kraft, 25/Bundle [SKU: UNV12126]")
![Fixed-Depth Corrugated Shipping Boxes, Regular Slotted Container (RSC), 12" x 18" x 10", Brown Kraft, 25/Bundle [SKU: UNV181210]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/92738/90552/230403__62996.1683128292.JPG?c=1 "Fixed-Depth Corrugated Shipping Boxes, Regular Slotted Container (RSC), 12\" x 18\" x 10\", Brown Kraft, 25/Bundle [SKU: UNV181210]")
![Fixed-Depth Corrugated Shipping Boxes, Regular Slotted Container (RSC), 12" x 18" x 8", Brown Kraft, 25/Bundle [SKU: UNV18128]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/92741/90555/230403__39886.1683128292.JPG?c=1 "Fixed-Depth Corrugated Shipping Boxes, Regular Slotted Container (RSC), 12\" x 18\" x 8\", Brown Kraft, 25/Bundle [SKU: UNV18128]")