Ivory round cushion, 40x40cm, made of breathable mesh material. - Model Name: Airy Round Cushion - Size: 40x40cm - Color: Ivory - Features: Breathable mesh material Cushion, stylish, high-resilience, round cushion, donut cushion, Iris Ohyama, high-resilience cushion, round, Airy, chair Supports your hips and lower back in a balanced way! Can be used on both sides, mesh and suede-like. Antibacterial and deodorizing/bacteriostatic treatment. Doesn't get stuffy even when sitting for long periods. The cover can be washed, so you can keep it clean. ■Product size (cm): Width 40.0 x Depth 40.0 x Height 5.0cm ■Product weight (approx.): 0.35kg ■Material: Outer fabric: 100% polyester, Filling: Specified fiber ■Weight (approx.) Outer fabric: 180g/m2, Inner fabric: 135g/m2 ■Care instructions: The liquid temperature should be limited to 40°C, use a laundry net, and wash in the washing machine on a delicate cycle or by hand. Do not use chlorine bleach. Do not dry clean. Do not iron. [Search terms: Zabuton, seat cushion, chair, long hours, office, drive, pressure distribution, Aerocube, lower back, support, Airy] I bought this to sit on a round chair, but I hardly used it because I replaced the chair soon after. It has a moderate thickness and resilience, and it's comfortable to sit on. It seems that some people use it comfortably on car seats. There is an inconspicuous stain on the back. Please check the third photo. Thank you for viewing.