Features: ITEM:10pcs 3.15x4.72in/8x12cm,10pcs 3.94x5.9in/10x15cm,10pcs 5.9x7.87in/15x20cm antistatic bags with 30pcs antistatic labels, MULTI-USE: 3.15x4.72in for 1.8" hard drive, 3.94x5.9in for 2.5" hard drive, 5.9x7.88in for 3.5"hard drive. them also can be used for RAM, I/O memory card, earphone, button battery, and other electronic parts
HIGH ANTI-STATIC COEFFICIENT:The internal and external anti-static coefficient of