NEW DESIGN AND IMPROVED ENGINEERINGThe memory foam pad has a mesh bottom to ensure you dont slide around. Memory foam that wont flatten out. Long-term use of our seat cushions will promote proper sitting posture. . WORK IN TOTAL COMFORTHard seating surfaces lead to unwanted pressure points in your lower body with Acsergery our chair pillow, it cradles your bottom, supporting your lower back, hips, and sciatic nerve to lessen discomfort. . ERGONOMICALLYThe surface of the back support cushion is ergonomically contoured to distribute your body weight across the seat.This wedge cushion reduces pressure on the tailbone, help ease the pain sciatica lower back pain discs and vertebrea throughout the spine. . SEDENTARY NOT COLLAPSEChair support Mats, Even if you sit for longer, return to the original shape immediately when you get up. Seat pads are not deformation or collapse. Our cushions with Acsergery Washable and Breathable cover. . NEVER SIT UNCOMFORTABLYLightweight, portable, and versatile, use it as a car seat cushion, desk chair cushion, or gaming chair butt pillow. Makes a great travel companion always sit comfortably wherever you go. .