Features: Type:Ziplock Bags Color:As shown Material:PE Plastic Size:4.2*3CM Uses: 1. After closing completely hermetic, waterproof moisture mainly for products 2. Prevent what is scattered, from the induction effect. 3. when hair clothing is afraid of contamination of the goods, put one after another to prevent damage from pollution by your own Express courier service. 4. Non-toxic, tasteless, can supply food. 5. use a lot.