Feature: 1. It can be used for driving, airplane or trains, wheelchair, bed, kitchen or dining table, and computer desk in your home or office. 2. The unique self-sealing system allows you to easily adjust the air level and strength to suit your specific body shape. 3. The ergonomic design evenly distributes your weight and provides comfort for pressure point pain. 4. Using high‑quality PVC material, high resilience, no deformation, no leakage. The unique design provides important ventilation and is easy to clean. 5. Convenient to carry, this lightweight design allows you to easily take it from chair to chair, or quickly deflate and re-inflate during the journey. Specification: Item Type: Seat Cushion Material: PVC Color: Blue Product Size: Approx.46x46cm/18.1x18.1in Weight: Approx.224g/7.9oz Application: Perfect for sitting for long periods . Package List: 1 x Seat Cushion1 x Inflator Note: 1. When using an air pump to inflate, pay attention to pressure control and do not exceed the maximum pressure.2. The clean air cushion is directly washed with neutral detergent and dried. Prevent incisive objects from puncturing the cushion.