AUVON Gel Wheelchair Seat Cushion 20 inch x 16 inch x 4 inch for Sciatica, Back, Coccyx, Pressure Sore & Ulcer Pain Relief, FSA HSA Eligible, Refreshing & Ergonomic Cushion with Waterproof Silk Fabric

Long-sitting without Stuffiness. This seat cushion features larger gel coverage (17.9'' x 16.1'') and 3X thicker gel blocks on the market. Adopting breathable memory foam, premium cool tech fabric for ample airflow enhances the cooling effect and meets your relaxation needs. AUVON offers this gel wheelchair seat cushion to save you from long sitting without stuffiness. Ergonomic Support & Relief. With ergonomic & premium memory foam*, this coccyx cushion effectively helps solve the back pain caused by prolonged sitting. The U-shaped design leaves enough space for pressure relief on the tailbone; the temperature-sensitive memory foam offers long-lasting support; the slope design provides adequate support for thighs and promotes your lower body blood flow. *(May feel firmer and less comfortable under 68℉ due to temperature-sensitive memory foam.) Fresh & Clean Easily. The cover of this back and butt pillow was designed with a waterproof membrane, which protects the memory fo