1. Material: PVC material 2. Dimensions: 46 x 46 cm, 3. Concave-convex vent design, disperse the pressure on the buttocks, speed up the air circulation in the buttocks and thighs 4. The fabric is made of thick polymer PVC, breathable and comfortable in summer, not easy to sweat, and hard to harden in winter 5. Adopt heat sealing technology, good air tightness 6. Fine stitches and good workmanship 7. Packing list: inflatable cushion + pump
