Hollow decompression design: The cushion uses a hollow core to reduce pressure on the ischium and coccyx, helping relieve coccyx pain and sciatic nerve discomfort. Effective antislip surface: The exterior features antislip materials or textures to significantly increase friction between the body and the seat cushion, helping prevent sliding on a wheelchair. Good breathability: Made with breathable materials or ventilation holes to promote air circulation, keep the buttocks dry, and improve comfort during long seated periods. Preventing pressure ulcers: Filled with PE food grade hose to provide comfortable support and lift the coccyx, helping to prevent pressure ulcers. The interior PE hose also contributes to greater chair stability and overall comfort. Use scenarios Daily wheelchair use: Suitable for users who spend long hours seated in a wheelchair, providing sustained pressure relief and stability. Medical recovery and postsurgery: Helps reduce coccyx and lower back discomfort during recovery, supporting safer, more comfortable seating. Office, travel, and caregiving contexts: Beneficial for longduration seating in office chairs, at home, or during travel, improving comfort and reducing movementrelated fatigue. Specifications and practical notes Function: Alleviates coccyx and sciatic nerve pain, prevents sliding, and enhances comfort during extended seating. Compatibility: Designed to fit standard wheelchairs and similar seating arrangements where cushion shape and size allow. Material attributes: Outer surface with antislip properties; interior filled with PE food grade hose for stability and comfort. Performance focus: Hollow design reduces pressure points; breathable construction enhances comfort and dryness over long use.