1.Shenzhen Star Packaging Bubble Mailer 2.100% recycled 3.Wholesale price 4.SGS certificate White Co-extruded Poly Bubble Envelopes, is made of PE co-extruded film wiht bubble linings, which has superior flexibility to prevent breach of the bag. The film surface is smooth for writing. The inner air bubbles have good cushioning effect to prevent damage of the loaded article due to pressure, ...