Perfect Fit With Any Kinds of Chairs! Take A Good Rest Everywhere! The Semi-Enclosed One Seat Cushion is ideal for sedentary people to effectively reduce the discomfort of sitting for a long time. It helps relieve sciatica, tailbone and back pain. It uses Eco-friendly high-grade material and PP fabrics, it protects your spine and bottoms from catching a cold in winter. Soft and fluffy, it will not deform over time. In accordance with the dimension design of the human body, it has a non-slip bottom and strap design to keep it in place. Safe and reliable. The super-soft chair pad provides excellent back support and relieves common symptoms due to body weight pressure. It eliminates and helps with sciatica relief, back pain and more. Grab it now!