Descriptions: 1. 10 pcs 3.15x4.72 inchs（8x12cm） for 1.8" hard drive, or for small oxidizable electronic parts, such as IC, LED, or headphone、data cable waterproof and moisture proof. 2. 10 pcs 3.94x5.9 inchs(10x15cm) for 2.5" hard dirve, as well as mobile hard disk, RAMs and so on. 3. 10 pcs 5.9x7.87 inches（15x20cm）for 3.5" hard drive，memory and other bigger size electronic parts. 4、Anti-static labels are convenient for your use,solved the troubles of your marking, promote the quality of your products, and highlight your company's professional 5. Translucent design makes it easy for you to find products and show them to customers.Improve your work efficiency and enhance customer experience. 6.Note: Most electronic components contain gold, silver, copper, etc. These metals are relatively easy to oxidize and should be placed in a sealed environment so that they can not only prevent oxidation but also prevent moisture and prevent short circuits. 7.If you don't know which size to choose bags, we have 3 sizes, which can meet your needs to the greatest extent. If you need to install a mainboard or an optical drive, please choose our larger bag. 8. Any question or asking for assistance, please feel free to contack us, we will be at your service. See more

*MULTI-SIZE PACKAGING: more sizes, we hope to meet all your needs and save you money and time. But we still want to remind you: [please check the size of the bag to get a more satisfactory product]. *MULTI-USE:3 sizes for packaging different electronic components, such as hard drive,LED light bars,Sensitive electronic components,I/O cards,or store your electronic products like earphone,data cable etc. *MOISTURE RESISTANCE OF CLASS II:High quality 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. *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, no odor. ITEM:10pcs 3.2x4.7in/8x12cm,10pcs 3.9x5.9in/10x15cm,10pcs 5.9x7.9in/15x20cm 30pcs Mixed antistatic bags with 60pcs antistatic labels, MULTI-USE: 3.2x4.7in for 1.8" hard drive, 3.9x5.9in for 2.5" hard drive, 5.9x7.9in for 3.5"hard drive. them also can be used for RAM, I/O memory card, earphone, button battery, and other electronic parts.