Tangkula Seat Cushion Memory Foam Luxury Chair Cushion with Ergonomic Design for Relief Back Coccyx Orthopedic Tailbone Pain Home Office Comfort Desk Chair Seat Cushoin Ergonomic Design Decreases PainDesigned with ergonomic U-shape that helps decrease back pain, neck pain, sciatic nerve pain and other physical pain. The ergonomic shape will prompt you a better posture and offers thigh support, which efficiently proper your spine alignment and increase your blood flow to lower extremities. Non-Slip Premium Velvet SurfaceCovered with premium coral velvet surface, this eco-friendly material will do no harm to our body or environment and protect your pants or skirt from being worn. Also the surface is non-slip to prevent from moving and keep it in place. No more annoying adjustment for slipping. Ultra Comfortable Memory Foam & Universal FitComes with ultra comfortable memory foam that features proper flexibility for ergonomically supporting your buttocks and back, which offers deluxe comfortable sitting experience. Perfectly fits for office chair, car seat, patio furniture, home furniture and so on. Breathable Cover & U Shape for Cool SittingMade from breathable coral velvet material that constantly keeps cooling the cushion to make sure of never getting hot or sweaty while you are sitting, along with the U-shape groove to get more ventilation for ultimate cooling, the cushion will always provide a cool sitting condition. Shipping & Customer ServiceUPS or USPS will deliver the item to your house in 3-6 business days after you placed an order. We packed item as good as we can, if there is any damaged part, please contact us first and offer us pictures of damaged part, we will solve the problem as the way you want(discount or replacement).