50pcs packaging bags. Using polyethylene material, new raw materials, no pungent smell, safe to use.|Zipper slider closure design, precision fit, after strict physical test, it can be opened and closed repeatedly.|Suitable for putting digital products, books, clothing, mobile phone accessories, etc.|Zipper bag adopts high-pressure edge sealing technology to effectively prevent edge burst.|Waterproof and moisture-proof, strong sealing and effective protection.