2 1/2 x 18 White Mailing Tubes With End Caps .070 Gauge 34/Case Bubble = 20% Works the same as Instapak

Works the same as Instapak Quick® without the need of a preheating warming unit

Bubble lining protects contents from damage while outer thermal material helps maintain a desired temperature

Sleeves inflate around the item and lock it within the sleeve to provide a cushioning air barrier

Excellent resistance to abrasion

Shock absorbing foam protects delicate items

2 1/2 x 18 White Mailing Tubes With End Caps .070 Gauge 34/Case Bubble = 20% Works the same as InstapakThese white mailing tubes provide a clean professional appearance for shipping blueprints, graphs, posters, important documents, etc. Plastic end caps are friction fit to stay on during mailing. The flat cap surface is ideal for writing. These rigid 3 ply spiral wound construction mailing tubes resist folding or bending and can be reused. Sizes listed below are USABLE dimensions (amount of space AFTER end caps are inserted).