Waterproof and Rot-Proof: These protective films Compatible with fence posts are made of high-quality PVC-butyl rubber, providing excellent waterproof and rot-proof properties. They effectively prevent water from penetrating the wood, protecting your fence posts from premature rot and extending their lifespan. Strong Adhesion and Sealing: The butyl rubber adhesive ensures strong adhesion to the wood surface, creating a tight and long-lasting seal. This prevents water ingress and ensures maximum protection against moisture damage. Easy to Install and Use: These films are incredibly easy to install. Simply peel off the backing paper and apply the film to the base of the fence post. The flexible material adapts to various shapes and sizes, ensuring a secure fit. Specifications: Color: Black Size: Length: 42 cm, Width: 26 cm, Height: -0.3 cm Material: PVC-butyl rubber Package includes: Sheets x 8