Product Details1.Convenient To Use - Our foam rubber sheet can be applied as DIY project sheet, which is easy to cut into any shape according to your needs, suitable for customize to fit your specific needs. Whether you need to create a protective barrier for your electronics or create a custom cushion for your furniture.2.Cushioning & Sealing - The sponge foam sheet can be used for buffering, sealing, shock absorption, heat insulation, sound insulation, sound reduction, and noise reduction. The closed cell sponge foam sheet rolls are typically applied to the exterior of air ducts, pipes, and other components that carry hot or cold air or fluids. The foam sheets work by creating a barrier between the hot or cold material and the surrounding air, preventing the transfer of heat or cold.3.