Premium Memory Foam Support : Designed with high-density memory foam for long-lasting support and comfort, our dining chair cushion offers superior comfort and support, relieving pressure on your hips and tailbone during extended seating Non-Slip Design with Ties : Featuring a non-slip bottom with durable grip particles and reinforced ties to keep the seat cushions for kitchen chairs securely in place, even with frequent use, ensuring you never have to readjust during meals or gatherings Height-Adjustable Design : This 3.5" dual-layer cushion combines a firm base foam with adaptive shredded memory foam. Remove the base to reduce height by 1.5" and repurpose it as a lumbar support. Achieve personalized comfort with two ergonomic configurations for versatile seating support. Easy to Clean & Maintain : Equipped with a removable, machine-washable cover, making it simple to keep your cushions looking fresh. If the chair pads for dining chairs are soiled, simply wipe it with a damp cloth or clean the outer cover with washing machine. Just unzip, remove, and wash for hassle-free care Universal Fit for Most Chairs : Measuring 16.5 x 16.5 with 3.5 thickness, this indoor chair cushion with ties is ideal for most dining chairs, kitchen chairs, and office chairs, instantly transforming hard seats into cozy, stylish seating solutions for any room.