... " to 20" x20" 3)Thickness: 1.5mil to 6mil for single side Plastic Ziplock Bag Product Description MATERIAL: 100% NEW LDPE SIZE ... /8" to 20" * 20" THICKNESS: 1.5mil to 6mil for single side ZIP FEATURE: Clear or muti-colored zipper are both available ... : 6 colors on both sides at most CERTIFICATION: FDA, EU, RoHS(SGS) ADVANTAGE Waterproof, tideproof, airproof, non poisonous USE: Food, medicine ...