... , gas-resistant, puncture-resistant White Co-extruded Poly Bubble Envelopes, is made of PE co-extruded film wiht bubble linings, which ... the first choice for personal post and corporate sample post, it has below characteristics:1. Superior cushioning.2. Many designs available3 ... % recycle, and accord with the request of environmentalism. Application: It can be used to post tape, CD, camera lens, film ...