1. Material: LDPE 2. Characteristic: plastic zip bags 3. Certificate: SGS(FDA,ROHS), GMC and ISO9001 * Waterproof, tide ... proof, air proof and non-poisonous plastic zip bags ;* Easy to open and easy to close;* Available in customers ... 1996, is specialized in producing all kinds of LDPE ziplock bags. Our products are SGS, GMC and ISO9001 certified. We are ...