Polyester Size: 40*40cm/ 16*16inch. MATERIAL - The chair cushion filled with polyester and fluffy PP cotton, comfortable, breathable, anti-extrusion and durable. Newly unique humanization design with cozy and safe touch. Designed to conform perfectly to the contours of your body for maximum comfort and support. Suitable for various places and people. This super soft chair pad provides excellent back support and relieves common symptoms that due to body weight pressing down on the lower tailbone area,eliminating this pressure and help with sciatica relief, back pain, hemorrhoids,etc. FEATURES - Different seat cushion for your choice, the detachable ones can be detached by zipper for adjusting. Good rebound characteristics of the solid color cushion is perfect for people sitting for a long time. Superior healthy and extra-soft material for in-seat reading or internet fans, just enjoy comfortable and free leisure time. OCCASION - The comfortable soft chair pads are available in multiple color options to rightly match your room decoration. Great office chair cushions, rocking chair pads, patio chair pads, dining chair pads, lawn chair pads, camping chair pads, kitchen chair pads, or for any other chair or bench