Gorilla Crystal Clear Tape - 18 yd Length x 1.88" Width - 1 Each - Clear Duct tape features a crystal-clear design that will not yellow outdoors to keep taped surfaces visible. Heavy-duty adhesive layer and waterproof backing offer extreme durability. Temperature-resistant construction provides reliable performance both indoors and out. Flexible material conforms to surfaces for even application. Duct tape can be applied to wet surfaces and works under water.