... Sony special binding products 2. Dustproof materials: Cosmetic cotton, camera cotton, high density sponge, filtering sponge, dust net ... foil, PVC, PET, brown paper, sponge sheath, pearl cotton sheath 5.Heat insulation material: Silicon sheet, transparent mica ... , fiber cloth, heat insulation cotton (fabric)Samples for reference:Die cutting label for reference:sample 1sample 2sample 3