Smart Direct Coccyx Care Memory Foam Seat Cushion for Car Office Home Use (Sandy) The contoured shape ensures an anatomically correct posture for long term benefits Gel fibers deliver personalized support and superior comfort, conforming to your bodys contours Cushioning, pressure-free softness of premium memory foam An outer layer of gel infused memory foam offers a cooling effect and consistent feel while the memory foam filling offers flow-ability and increased breath-ability Memory foam is naturally antimicrobial and resistant to allergens, mold, bacteria and dust mites