Descriptions: Item Include: 1.100pcs 5.9 X 7.9 inches Antistatic bags. Features: a.Effectively prevent static electricity, protect your electronic products. b.Translucent High quality Polyethylene Terephthalate (PET) material, non-toxic and free from extraneous odor c.Can be used to store All Electronic such as hard drive,RAM, I/O memory card, IC or headphones, data cable and sensitive electronic components etc. d. Reusable,Cheap and very effective,Is your best choice. Any question or asking for assistance, please feel free to contack us, we will be at your service. See moreTRANSLUCENT 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. PRACTICAL DESIGN:Resealable with zip lock design, waterproof and dampproof,it have a moisture resistance of Class II, prevent oxidation of electronic components,easy to use,you don't need to spend extra money on sealing equipment. *NECESSITY:it guard computer parts and circuit board,protect electronics from Electro-Static Discharge(ESD),anti-static bags is necessity for protecting your more valuable electronic goods. 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. Anti Static Bags:100pcs 5.9 X 7.9 inches resealable ESD Bags,Perfect for 3.5'' Hard Drives,them also can be used for RAM, I/O memory card, IC or headphones, data cable and other electronic device.