Hand-rolling bag Size: 13.8"x17.8" (35x45cm) 17.7"x23.7" (45x60cm) 13.7"x35.5" (60x90cm) Material: PA+PE & PET+PE Thickness: 0.06mm Packing: Color box /OPP bag Color: Transparent/Printing Price: $0.6-1.5 PCS/CTN:About 5000 pcs/ container(40ft) Feature: Eco-Friendly, Folding, Stocked How to use: 1. Pack your bedding, clothing, gear -any items you want to carry and/or protect. Do not pack above fill line. 2. Seal the "zipper" easily with the Sure-Zip Slider. Our patented closure system ensures an airtight seal for ultimate protection. 3. Roll toward the bottom, expelling air through the one way valve and flattening compressible items. Squeezing the air out of bulky items lets you pack up to twice as much!