Features: -Made of EVA foam with high-density and fine pores, it is drop-resistant, shock-resistant, and pressure-resistant, and provides a cushioning effect. -It is lightweight and can be folded after use, making it easy to carry and transport. -With a 3-in-1 design, it can be folded up for kneeling or sitting, or unfolded for lying down. -Used to cushion pressure on elbows, shoulders, back, hips and other parts of the body. Note: Due to manual measurement, please allow 1-2 cm measurement deviation, thank you. Due to different factory batches, the color displayed may be slightly different from the picture, thank you for your understanding! .