Product Features: Sealed edge firmly, explosion-proof edge. New material bubble bag, shockproof and anti-pressure, reduce the risk of damage. The exterior is made of po waterproof material to prevent the package from getting wet in transit. Sealing edge with hot melt adhesive, firm adhesion. Specification Product Category: bubble bags Material: plastic + hot melt adhesive Color: pink, black Uses: storage bags, waterproof bags, general packaging, logistics packaging, cosmetic bags, garment bags, cell phone packaging bags, daily necessities packaging bags, digital packaging, building materials packaging bags Seal length: 4cm Size: 11x13cm/11x15cm/15x18cm/18x23cm Quantity:1/10/50/100PCS Package includes: 1/10/50/100*bubble packaging bag