1. Material: LDPE 2. Characteristic: resealable lock bags 3. Certificate: SGS(FDA, ROHS), GMC and ISO9001 * Waterproof, ... tide proof, air proof and non-poisonous lock bags ;* Easy to open and easy to close;* Available in ... is also ok);* Used to pack food, medicine, medical apparatus, electronic products, cosmetic, handicrafts and so on;* Suit for supermarkets, stores ...