18 x 16 - Instapak Quick RT Heavy-Duty Expandable Foam Bags 150/Case bubble cushioning The 2X key doubles any

The 2X key doubles any preset length

extra coarse sandpaper surface that has an adhesive backing

Reinforced metal clasps on these envelopes make it possible to reuse envelopes

Reclosable bags help keep products free from dirt and moisture

Labels stamps and ink adhere well

18 x 16 - Instapak Quick RT Heavy-Duty Expandable Foam Bags 150/Case bubble cushioning The 2X key doubles anyProtect anything and everything, anywhere! No equipment required! Completely portable! Works the same as Instapak Quick without the need of a preheating warming unit. Recommended temperature range is 65 90 F. Chemicals are activated in the bag so no clean up is required. Heavy Duty Bags are recommended for shipments 40 80 lbs.