DURABLE: Made of dense premium comfort foam. Will not flatten out with prolonged use. Will not deflate like inflatable donut cushions. Non-slip bottom ensures the cushion stays in place and will not shift or slide on any surface.STOP SUFFERING FROM PAINFUL AND DEBILITATING CONDITIONS:Our professional designers have designed 2 different mats for men and women.If you find sitting uncomfortable due to hemorrhoids, tailbone pain, an accident or post surgery then you don't have to suffer any longer. Donut pillows are recommended by doctors and physiotherapists worldwide as an effective solution to ease the pain of sitting on hard chairs.EASY TO CARRY The portable donut pillow, can be taken with you all over, and can be used, on any kind of chair-WHEELCHAIR, OFFICE CHAIR, PLANE, CARetc.ERGONOMIC: Promotes good posture and healthy weight distribution for hours of comfortable sitting.Great for use on any chair, car seat, plane, and wheelchair.EASY TO CLEAN: Zipper designthe cover can be easily removed to machine wash, to get it looking fresh and clean.