Ergonomic experts agree that we need to strengthen, not "œsupport"? our bodies.ErgoErgo allows you to sit up naturally. Your body gently shifts to the mostcomfortable position instead of being locked into a rigid chair. On ErgoErgo, youengage your core muscles, improve your posture, and soothe your lower backwhile enjoying comfort and freedom of movement.ExtraErgo is a great ergonomic seat at home, in the workplace, classroom, dorm,library, and everywhere else. It makes a great office chair, a computer chair, andgaming chair, and is "œbetter than the ball"? for expectant moms. Make the ExtraErgo wobble seat part of your daily fitness routine and build core strength, backhealth, and balance. Active sitting keeps you alert and refreshed and helps youstay productive all day. Made of recyclable techno-polymer, ExtraErgo wobbleseat is proudly made in the USA.•Flexible Active SeatingActive sitting on ErgoErgo allows your body vitality and ease. With two feet flaton the ground, you can move gently through a wide range of positions. Engageyour core, relieve your lower back, and enjoy greater abdominal spaciousnesswith deeper breathing.•Improves Focus and ConcentrationErgoErgo is a great option as an office desk chair, flexible classroom furniture, agaming chair, and innovative seating for everyone from office workers topregnant moms to seniors, artists, and computer engineers. Micro-movementssend more vital blood and oxygen to the brain, keeping the mind alert, aware andawake.•Ideal for Any SpaceErgoErgo is perfect for offices, schools, libraries, dorms, hotels, fitness centers,healthcare facilities, and as your own home ergonomic computer chair. The selfcushioningeffect when you sit gives it the height of a standard chair. ErgoErgomakes for fun public seating and is compact enough for the smallest space.•Patented & Safety TestedErgoErgo has passed the rigorous tests for weight-load and robustnessestablished by the BIFMA, the Business and Institutional Manufacturers ofAmerica. ErgoErgo patents include: US Utility Patent 8,007,417, US DesignPatent D628,662 and European Community registered design 001207666-0001.•Award WinningErgoErgo ergonomic stools have won the Good Design Award, The EdisonAward, The MindSpring Academics Choice Award, The Parent"™s Pick Award, andwas named to the PUPN Dean"™s List. ErgoErgo is recommended by doctors,occupational therapists, teachers, and pre-natal experts as being the healthiestseating.•Built to lastThe ErgoErgo wobble seat is proudly made in the USA of recyclable technopolymer.The flat base allows for stability and a weight capacity of up to 225pounds. ErgoErgo is perfect for anyone between 5"™ "“ 6"™4"? in height. Thisergonomic stool comes with a two-year warranty.