Glownary Square Mailing Tube, 3 X 3 X 18 Inches, White, 25

Tubes fold together fast without tape or glue. 300) 6L x 3W x 3H White Cardboard Shipping Box - Dan's Discount 200#/ECT-32-B Corrugated Tubes Glownary Square Mailing Tube, 3 X 3 X 18 Inches, White, 25 Cardboard Box These one-piece square mailing tubes are designed to form a safe, stable shape around your artwork, posters or documents. Tubes are made of 200 lb. test white corrugated cardboard. Boxes are ideal for shipping, stacking, and storing horizontally or vertically. Tubes arrive flat and require easy assembly. Simply fold panels to create a square tube and use tape to secure the sides and ends as... These one piece tubes ship flat to save space. Corrugated mailing tubes and shipping tubes in a wide selection of colors including blue, white, yellow, red, gold, and kraft. Various sizes available Square tubes will not roll around which makes them easier to pack and ship than traditional round mailing tubes.