The stylish and ergonomically designed sit stand stool allows the flexibility to move between sitting and standing at your desk, when in the home or office, promoting muscle movement and improved posture The wobble stool is ergonomically designed and features a rounded base to encourage active movement by swivelling and rocking to help strengthen your back whilst working, the office stool remains strong and stable at any height The wobble chair is height adjustable from 45 to 79 cm with red release buttons for safety, the ergonomic seat is made from durable, 3D air mesh-covered foam for added comfort, and the non-slip base protects the floor from damage The sit stand stool arrives in plastic-free packaging, with a 5 year guarantee, and the lightweight design makes it easy to move from room to room, the office stool is able to support up to 110kg Contents: 1 x Leitz Active Sit Stand Stool, Dimensions (W x H x D): 370 x 690 x 370 mm, 5500g, Velvet Grey, Ergo Cosy Range, Plastic-free Packaging, 65180089