1. Material: LDPE 2. Characteristic: standing ziplock bags 3. Certificate: SGS(FDA, ROHS), GMC ... * Waterproof, tide proof, air proof and non-poisonous standing ziplock bags ;* Expanding bottom gusset fits more in;* Easy ... length)cm to 40(width)×50(length)cm;* Printing up to 4 colors ( non-printed is also ok);* ... Fengyi Industry and Trade Co, Ltd was set up in 1996, is specialized in producing all kinds ...