Save Your Chair: Memory foam makes chairs more comfortable, due to an even distribution of body weight and pressure over the entire contact area. A simple way to deal with an uncomfortable chair. Our non-slip rubber bottoms never stain which saves your seats. It keeps the cushion stay in place even if you shift in your seat. Suitable Thickness: Our seat cushion is 2" thick. It's not used for adding sitting height too much. It is designed to mainly distribute the pressure on the butt and leg while still a comfortable sitting height. In our research, raising sitting height too much will change the overall proportions of the chair which causes uncomfortable. Ergonomic U-shaped Design for Coccyx Pressure Relief: Our seat cushion for chair prevent your coccyx from hard seating surfaces. It helps improve sitting posture and reduce pressure on the tailbone. The pressure dispersion principle of memory foam has an auxiliary effect on hip shaping because it prevents the hip from being squeezed by the hard seat while sitting for long periods of time. Breathable and Washable Cover: Instead of hard fabric that always makes fabrics of your clothes pill up, we select soft eye-bird mesh fabric. It is breathable, light, and elastic. The elastic cover helps the cushion adapt to your butt curve easily. The cover is removable and washable. Multi-purpose Desk Seat Cushion for Chairs: Our coccyx seat cushion pillows fit most types of seating, office chairs, car seats, computer chairs, airplane seats, or wheelchairs. Great gift ideas for people sitting for a long time such as office clerks, truck/taxi drivers.