The anti-static reusable bags are made of high-quality LDPE (low density polyethylene), non-toxic and free from foreign odour, effectively protect PC parts and electronics from ESD Package includes 20 pieces anti-static bags with open design and 20 pieces self-adhesive ESD shielding anti-static sign stickers to seal the bags Thick semi-transparent plastic anti-static bags are thick, but can also easily see what is in the bag. Ideal for intercompany transfers, storage and shipping Anti-static Material The electronic products storage bag is made of high quality PE material, which is not only chemically stable, flexible and sturdy, but also durable. They are non-toxic, odourless and can effectively protect PC parts and electronic products from the effects of ESD The large ESD bags are approx. Large, have a great size and allow various PC components, electrostatically sensitive electronic parts such as HDD hard drives, motherboard, graphics cards, RAMs, processor, I/O cards, etc