Waterproof Zipper(Support Online Order. Specific Price Is Based On Contact. Minimum 10 Pieces).Zinc alloy drawing head.Strictly selected zinc alloy material production, fastening durable do not fade.Compact nylon teeth.Smooth nylon puller, smooth and resistant, strong and firm.It's very waterproof. Made of TPU material, excellent waterproof performance.Korean version waterproof, pattern waterproof and other styles can be customized.