Memory Foam Cushion: Memory foam is the leading fill type for any comfortable cushion out there. Whether it's a pillow, mattress topper, bed rest, or chair cushion, everyone knows that memory foam is the leader in comfortable materials. The cushions contour seamlessly to your body to help provide extra support and help soothe achy muscles; possible benefits include helping boost circulation and helping to reduce pressure on your back and tailbone. | Perfect Fit for Any Chair: Our chair pads are designed to fit all chairs. Memory foam chair cushions measure 15.5" x 15.5" x 3.5". These dimensions are a perfect fit for almost all dining room, living room, play room, bedroom, and even outdoor chairs. | Non-slip Bottom and Ties Design: The non-slip bottom increases resistance to prevent the cushion from moving around on the chair. And we add the ties on the chair custion to keep the custion securely in place on any chair when get in or out of chair. | Easy to Care: The feature of the memory foam chair cushion is durable and long-lasting. They are not only practical but also easy to clean, just wipe spot lightly with a damp cloth and wait to dry. Our chair pads are machine washable too. Machine wash in cold water, do not bleach, do not iron, just tumble dry with no heat and your chair pads will look as good as new. | Friendly Reminder: After compression packing and long-distance transport, the dining room chair cushions will become flat, don't worry, it is nomal. The memory foam cushion has a strong recovery ability. Please take patience to rub or tap it and wait for 1-2 days, then you will get 4 pack thick and soft cushions!