PP/PE Plastic Zipper used for airproof plastic bag,moisture-proof plastic bag, document plastic bag, plastic clothes bag etc. Compact and durable plastic zipper with stable quality and strong pulling forceUsed for airproof plastic bag,moisture-proof plastic bag, document plastic bag, plastic clothes bag etc.Width can be 3mm to 30mm;Thickness can be 0.13mm, 0.16mmSingle/Double track optional