Quick Opening - Its telescopic mechanism works like an accordion, simple reach into the recessed grip with your thump and index finger and pull the base and seat apart. the lock automatically locks at the desired height. Quick Closing - Turning the foot and seat in opposite direction releases the lock and allows the seat to slide together. Safe and Stable - The Mobile Telescopic Stool is equipped with a non-slip floor base that is stable and firm and will not move easily. It is weather proof and waterproof. Due to its wide foot, it does not sink in sand or loose ground. Load Bearing- Seamless butt-joint, one-piece load bearing ring enhances safety performance and can bear about 330 lb. It is integrally formed and assembled by hand with 11 load-bearing rings, seamlessly connecting the load-bearing buckles to ensure safe use. Easy to Carry - Portable and easy to carry, the mobile telescopic Stool can be carried using the rip-free handle or the practical shoulder strap. Small in design, the stool can be stored anywhere even in a gym bag. Durable and Eco Friendly Materials - Made with durable plastic that is eco-friendly material that won't break or tear easily. The stool is designed for outdoor activities such as camping therefore it is weather proof and waterproof.