This is a resealable OPP bag. It fits business cards (55x91mm) perfectly! It also fits A8 size (52x74mm). It can be used for storing small items such as accessories and handmade parts, or for gift wrapping. It uses anti-static tape, so it won't stick to your hands while you work. [Thickness] 0.03mm [Size] Width 60mm x Length 100mm + 30mm [Quantity] 100 sheets This product is equivalent to Crystal Pack or Clear Pack.