1、T SHAPED: The T shaped opening design corresponds to the human ischium and coccygeal bone when sitting and lying, and the hollow design of ischium and coccygeal bone can effectively reduce the pressure at both places. 2、TRIANGULAR SLOPE: The opening triangular slope design is suitable for chair use and the cushion is ergonomically designed to provide maximum support and comfort. 3、SLOT: Sitting for a long time will produce a greater sense of pressure on the crotch, the crotch slot design can reduce the pressure on the crotch while promoting breathability, reduce hot, keep the skin dry. 4、PREMIUM MATERIAL: Slow resilience, soft and hard moderate sedentary without deformation, premium material that is soft yet durability. It is designed to withstand daily use. 5、EASY TO CLEAN: Can be used in different scenarios, convenient for different use needs, practical, it is easy to clean, ensuring that it remains hygienic. Item Type: Sitting Cushion Material: Memory Foam, Gel, Waterproofing Membrane Size: Approx. 44 x 38 x 6cm / 17.32 x 14.96 x 2.36in 1 x Sitting Cushion Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.