Simplified assembly in 3 steps. To assemble, remove the protective plastic cap from the gas spring before use; if not removed, it could be broken or become stuck inside the padding. Quiet, smooth rolling. Glides quietly across all kinds of floors, allowing you to move around your work area or home without disruption. Comfortable cushion seat. 33 cm diameter cushioned seat with brand density sponge. Suitable as a home office chair or rolling stool. Swivel and mobility. Swivel chair design enables easy reach of tools and materials while you stay seated. Key specifications and attributes. Seat diameter: 33 cm Seat material: density sponge Function: home office chair, rolling stool, swivel stool Mobility: quiet rolling on various floor types Use scenarios At a home computer desk or study area where frequent repositioning is needed In a workshop, garage, or studio for seated tasks that require mobility and easy tool access Around a kitchen island, craft table, or standingheight workstation for brief seated tasks