Anti Static Bags:25pcs Large Resealable ESD Bags 7.87x11.8in/20x30cm with 25pcs Antistatic Labels.them also can be used for GPU,Hard Drive ,RAM, I/O memory card, earphone and other electronic device | SAFETY ENVIRONMENTAL PROTECTION: We bags made from high quality Polyethylene Terephthalate (PET) with an aluminized film, high and low temperature performance of ±500c, non-toxic and eco-friendly | HOLD SEALING BELT:reusable, with high sealing performance, waterproof and dampproof,it have a moisture resistance of Class II, it also can be vacuume to prevent oxidation of electronic components | PRACTICAL DESIGN:Resealable with zip lock design, Reclosable and easy to use,you don't need to spend extra money on sealing equipment | TRANSLUCENT BAG: you can easily show the product to your customers or put it in the display cabinet to prevent your product from getting dirty due to dust or oxidized