Description: Made of high-quality PU materials the s is composed of PET backing PU film pressure-sensitive glue and release paper.safe durable and environmentally friendly. Waterproof: Good air permeability can prevent bacterial and increase oxygen absorption. Protect the surface of swimming or bathing. Portable and easy to use the film can be cut into different shapes and lengths as Good toughness and adhesion can well without falling off. Easy to use: Scrap the the first layer and put the second layer on the surface skin and then tear off the top layer. Specification: Material: PU+PET Package Includes: 1 Piece Film Note: 1. Please allow 1-3mm error due to manual measurement. 2. Wish you a wonderful shopping!