• Nylon
• SEAT CUSHION is uniquely contoured for optimum comfort and durability. It's innovative design makes it great as a normal seat cushion and for coccyx AND and tailbone support. The triangle v-cut opening molds to your body in all of the right places, giving welcome relief to your lower back and tailbone area and promotes healthy posture.
• CHAIR PILLOW made from polyurethane foam that adds extra cushioning and support to hard chairs, wheelchairs, sofas, couches, larger office chairs and car seats.
• CHAIR CUSHION features skid-resistant grip on the bottom to help hold cushion securely in place when you are sitting. This cushion helps provide recovery and pain relief for lower back problems, sciatica, tailbone, and spinal issues.
• Size: 18 x 16 x 2 inches with 6 inch "V shape" opening