Description: The unique design of the fastener tape won't cause the RV foot cover to be lost over bumps during the journey due to the springs coming off, nor will it make noise due to the springs, and there is no adhesive residue when removed. The single layer design works well on folding ladders. Easy to install, it only takes a few seconds to attach the caravan step cover to the steps, completely solving the problem of the poor dog slipping out of the caravan. It is constructed of polyester material. There are 2 different sizes for you to choose from. It is suitable for RV. Item Name: Stair Treads Material: Polyester Features: Fastener Tape, Simple Installation, Easy to Clean Size Details: S, L: 49.5cm/19.49", W: 19cm/7.48" (Approx.) M, L: 61cm/24.02", W: 19cm/7.48" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 4 x Stair Treads 8 x Rubber Strips