Everlasting comfort seat cushion is ideal for extended workdays. Made with premium high density foam, it supports the gluteal muscle groups, offering all-day comfort in any workspace. High strength nylon swivel casters wheel. Strong in pressure resistance, wear-resistant and durable, 360-degree flexible rotation. Easy assembly. No tools required. Performance fabrics are designed to be stain resistant and low-maintenance. Easy-to-clean fabrics allow for easy removal of stains like pen, coffee, mud, red wine, and ketchup using only paper towel.