RETON Pack of 50 Antistatic Resealable Bag for HDD and Electronic Device (15x20cm) 1. Premium Quality: made from high quality Amorphous Polyethylene Terephthalate (APET) which is widely used in cosmetics, food, electronics and other packaging, non-toxic and eco-friendly. 2. Size: External dimensions: 15x20cm/5.9"x7.9"; Thickness: 0.15mm; Sealing width on both sides: 5mm 3. Semi-Transparent: this product is silver grey and semi-translucent, which can clearly distinguish the goods from the outside and great for you to save time. 4. Re-Sealable: the zip-lock can be opened or closed multiple times to keep or remove electronics for storage even for a long-term. 5. Application: suitable for the packaging of electronic components that are sensitive to humidity and static electricity. Such as PCBA boards, motherboards, network cards, graphics cards, monitors, various HDD and other Electronic Device.