Outer Material: Plush Fabric Inner Lining Material: High Elasticity PVC Deflated Size: Inner Diameter 10 cm, Outer Diameter 38 cm Deflated Size: Inner Diameter 10 cm, Outer Diameter 38 cm SUPERIOR CUSHIONING - This donut cushion is an excellent cushion for hemorrhoids, a donut cushion for pregnancy, a donut cushion for coccyx discomfort, a donut cushion for tailbone pain. It's inflatable, so you can take it wherever you go! COMFORT & DURABILITY - Our donut seat cushion is soft and durable, conforming to your body for superior cushioning while resisting punctures and leaks. MULTIPLE USES - Our inflatable donut cushion is perfect for travel. The entire set fits into the included carry bag, so you can take it wherever you go! Use it at home, in the office, at work, on vacation, in the car, and on airplanes. It's essential to feel comfortable wherever you sit. EASY INFLATION - Quick and easy inflation by mouth or with the included air pump. PACKAGE INCLUDES - 1 X Inflatable Ring Cushion + 1 X Inflator Distributes weight evenly, relieving pressure on sensitive areas. Compared to rubber ring cushions, it's made of super durable nylon-PVC with a flannel flocking, making it more resistant to temperature, sunlight, drying, and cracking. High-flow valve, easy to inflate, can be used by mouth or with a pump.