Sponge filling provides excellent elasticity and long term comfort without deformation Ideal for prolonged sitting during offices work or study, offering consistent back throughout the day Made from waterproof and sunproof polyester fabric with thick sponge cushion, this 48cm outdoor chair cushion keeps you dry in damp condition Perfect for patio furniture, camping, picnics and outdoor activities, it solves absorption issues common with regular seat pad Constructed with water resistant fabric that meet environmental standard while ensuring long term usability Ideal for consumers seeking outdoor replacement seat cushion The water resistant fabric repels stain just wipe clean with damp cloth Particularly for households with children or pet, minimizing cleaning hassles after outdoor use 48cm x48cm standard size fit most dining patio chair, offices seats and folding chair without installation tool Versatile for indoor and outdoor use including patios, balconies and garden furniture arrangements