Features 1. Our butyl waterproof tapes can seal the leak quickly and efficiently. 2. Superior waterproof, high viscosity and strong stretching ability, but still maintain flexibility. Because the product does not solidify, it can perfectly cope with the thermal expansion and contraction and mechanical deformation of the bonded surface. 3. This waterproof butyl tape has high and low temperature resistance, which can be used at 80°C/176°F without melting, and at -40°C/-40°F without cracking. Besides, because of the small square pattern of the tape, it is wear-resistant, corrosion resistance, non-slip and endurable. 4. Instantly seal for roof leaks, RV’s & tent’s window seal, RV awning, sun room, outdoor equipment, gutters, metal structure, down spouts, boats, mobile homes, PVC & plumbing pipes, sprinkler systems, seams, doors, walls, vents, air ducts, HVAC systems, DIY projects, etc. 5. Easy to Apply:After clean and dry the target surface, you just need to peel off the released film and attach the waterproof butyl tape to the area. Specification Material: Aluminum, PVC, Rubber Color: White Size:  5cm x 5m, 10cm x 5m, 15 cm x 5m, 20 cm x 5 m, 30 cm x 5 m, 5 cm x 10 m, 10 cmx 10 m, 15 cmx 10 m, 20 cmx 10 m Weight: 410 g, 810 g, 1360 g, 1780 g, 2600 g, 830 g, 1550 g, 2400 g, 3300 g Package Include: 1x Butyl Tape