loutytuo seat cushion pillow,100% memory foam and washable cover,for office chair,car seat and wheelchair,tailbone & sciatica & back pain relief (gray) loutytuo <b>note:</b><br> 1.memory foam cannot be washed.<br> 2.before use you'd better wash the coat.<br> 3.this product is a daily seat cushion,not intended for medical use.<br>