Ergonomic Dual Layer Foam: HOMELYSIAN chair pads for dining chairs consist of 0.5" memory foam and 2" high-density foam. The upper layer conforms to your body curve for soft buffering, while the bottom layer ensures enough support for relieving pressure Detachable and Washable Cover: The dining chair cushion's cover features a zipper for effortless removal and washing, which is very convenient for your daily use. We recommend cleaning with mild soap and cold water, and drying with low heat Stay in Place Always: Two attached ties and non slip silicone bottom can prevent the dining room chair cushions from sliding around. You don't have to adjust them all the time, just easily focus on enjoying your life Premium Workmanship: The seat cushions for kitchen chairs are made of textured yarn dyed fabric, which is anti-pilling and fade-resistant. Additionally, there are durable linings that could protect the sponge from staining and dirt Size and Package: Our kitchen chair pads and cushions measure 16"W X 16"D X 2.5"H and are designed in D-shape, suitable for various hard surface chairs. Due to shipping compression, please allow 1-2 days for the foam to rebound for optimal comfort