Ergonomic support that reduces discomfort: Lshaped design cradles the lower back and encourages an upright posture, reducing pressure on the lumbar spine during long periods of sitting. Targeted tailbone relief: Hollow center and Scurve shape relieve pressure on the tailbone while supporting the buttocks and lower spine, helping to reduce pain and numbness from prolonged sitting. Secure, stable fit: Antislip rubber dots on the bottom keep the cushion firmly in place on most flat seats so it won't slide during use. Easy to clean, comfortable cover: Removable cover made from soft sweater fabric is machinewashable for straightforward maintenance and a comfortable feel against the skin. Versatile placement: Designed to work with office chairs, car seats, and home seating—use it at your desk, on a long drive, or when relaxing at home. Key features Lshaped lumbar support conforms to the curve of the lower back for consistent, wraparound support. Hollow center reduces direct pressure on the coccyx (tailbone). Scurve profile supports both the buttocks and lower lumbar region for improved posture. Antislip rubber dots on the bottom for stable placement. Removable, machinewashable sweater fabric cover for easy cleaning and comfort. Recommended uses Office work: Place on your desk chair to maintain better posture during full workdays and reduce lower back fatigue. Driving and commuting: Use on car seats during long drives or daily commutes to protect the lumbar spine and relieve tailbone pressure. Home seating: Add to sofas or lounge chairs for added comfort while reading, watching TV, or gaming. Care and compatibility Remove the cover and machine wash according to the care label. Allow to air dry before replacing. Designed to fit most office chairs, car seats, and home chairs with a flat seating area. Antislip rubber dots help maintain position on a variety of surfaces. What you get A supportive Lshaped cushion with hollow center and Scurve profile, antislip bottom, and a removable soft sweater fabric cover for comfort and easy cleaning.