Thank you for viewing! ^_^ Brand new, unused gel cushion! Gel cushion, contact cooling, honeycomb structure, zero-gravity cushion, egg-not-breakable cushion, breathable, with cover, non-slip, for telecommuting, desk work, office chair, car, chair, home use, washable, low-rebound cushion, posture, large size [Excellent Breathability Cushion] This gel cushion uses TPE gel material and a honeycomb internal structure design, so it doesn't get stuffy even after sitting for long periods, maintaining excellent breathability (compared to cotton cushions, the gel cushion's temperature rise on the buttocks was less after sitting for 4 hours). [Reliable High-Quality Product] This gel cushion is made of carefully selected high-quality TPE gel material. It is very durable and has excellent flexibility and durability, returning to its original shape even after stretching or squeezing. The gel cushion has enough cushioning to prevent an egg from breaking even when sat upon.