... 20" * 20" THICKNESS: 1.5mil to 6mil for single side ZIP FEATURE: Clear or muti-colored zipper are both available LIP ... which specializes in designing, manufacturing and selling plastic bags, LDPE zip lock bag, open end bag, laminated plastic food bag, slider zipper ... , trash bag, PVC bag^are all our regular products. The zip lock bag includes transparent ziplock bag, colored ziplock bag, ziplock bag ...