3 x 3 x 48 Square Kraft Corrugated Mailing Tube 25/Bundle Cool Shield Pallet Covers Airtight zipper keeps out dust

Airtight zipper keeps out dust

Glue expands 3-4 times while penetrating the surfaces for additional strength

Provides excellent protection from liquids

anti-static polyethylene film

3 x 3 x 48 Square Kraft Corrugated Mailing Tube 25/Bundle Cool Shield Pallet Covers Airtight zipper keeps out dustThese mailing tubes have a square shape for easy inserting and removal. Square mailing tubes ship flat and take up less space. They will rest on flat surfaces without rolling off and are easily stackable. Square mailers ship flat and take up less space. They will rest on flat surfaces without rolling off and are easily stackable.