COMPACT & VERSATILE: Wobble stool with 360 degrees easy roll 5 castor wheels for all floor types; Easy to set up in just a few steps with no tools required. Suitable for use in collaborative spaces and home office ERGONOMIC COMFORT: Triangular shape unique Dual Density Foam (DDF) comfort seat distributes weight evenly across the pelvis, surrounded by soft foam cushion to reduce pressure on thighs and legs similar to a saddle stool; 9cm thick tilting seat DESIGNED FOR ACTIVE COMFORT: Multi-use stool with 360 degrees DSM -Dynamic Spine Motion technology (patent pending) to strengthen your back and core muscles, providing an ultra comfortable seating experience similar to a seat cushion HEIGHT ADJUSTABLE AND SPACE-SAVING: Smooth pneumatic height adjustment from 47 - 60cm using the 3 levers under the seat; Compact design to store under a desk, supports up to 110kg, and has a wider 60cm base to prevent tipping CERTIFICATIONS: OEKO TEX 100 certified recycled seat cover; Tested and recommended by the German IGR Institute for Health and Ergonomics, according to DIN 26800 EN ISO 15537, German TÜV and GS (safety tested) CONTENTS: 1 x Leitz Ergo Active Sitting Stool on Wheels with fully recyclable packaging. Dimensions (WxHxD): 60cm x 47cm x 60cm, Black, 65770095