1 Year Guarantee: Contact us directly if there is a quality issue with your seat cushion for car/ office/ home. Replacement and refund is available. Daily Use: As is known to all, memory foam products usually have a slight harmless odor. It is better ventilate it for about 24 hours before use. Hand wash cushion cover with cold water and do not wash memory foam inside. Safe Design:This is a safe desk chair cushion designed with a anti-slip rubber base and elastic straps, which can firmly secure the seat cushion to a chair or seat. Those elderly people with limited mobility or pregnant women who need careful care can use this chair pads with confidence. Amazing Car Home Office Essentials:This seat cushion is widely used. It can use as rocking chair cushion,seat cushions for office chairs, chair cushions for dining chairs,wheelchair cushions and car seat cushion and so on.It is an indispensable sciatica pain relief pillow or sciatica pain relief products in daily life. Heat Responsive: Temperature sensitivity is one of the characteristics of memory foam.Seat cushion becomes harder in low temperature and will soften after it absorbs the heat from user.When you use it for more than ten minutes, you will feel the entire seat cushion gently supporting your buttocks and thighs. If you are driving, it will soften the bumps on the road, and if you are working for a long time, it will eliminate the numbness in your buttocks. Soft Memory Foam Chair Cushions for Buttock:This office chair cushion made of ultimate dense memory foam,it features a little soft but support.When sitting down, the cushion will sink a bit, which feels good. This tailbone pain relief cushion suitable for those who suffered from lower back pain,tailbone pain and butt pain from long hours sitting. It also helpful for physical recovery,promoting sitting posture and postpartum. Innovative Design Seat Cushion:Slightly thicker in the back helps to offer adequate comfort for the buttocks, and thinner edge at the front doesn't bother the action of the legs,maintaining a natural and comfortable angle of knees.