Brand: Gaiam Color: Black Features: Boost energy focus: Micro-movements from sitting on a balance ball chair work to engage the body and mind, leading to higher energy levels and increased productivity and focus at home, in the classroom at school or at your desk in the office Recommended user height: Designed for users 5 feet to 5 feet 11 inches tall and fits most standard height desks. For a taller chair, add 2 inches with the Gaiam Leg Extenders (Sold Separately) Weight Capacity = 300poundss Ball chair includes: Removable 52 centimeter Exercise Ball, Chair Base, Support Bar, Metal Ball Holder, 4 Easy-Glide Caster Wheels (2 lockable), Air Pump, Desktop Exercise Guide (Minor Assembly/Setup Required ? see packaging for details) Weight = 13pounds Inflation notice: It may be necessary to re inflate the ball after initial inflation to allow the ball?s material to stretch to its final size. Inflate ball with air, let stand for 24 hours, deflate 50%, then fill again to 52 centimeter height Release Date: 2005-03-01T00:00:01Z UPC: 029956213104 EAN: 0029956213104 Package Dimensions: 22.0 x 22.0 x 31.0 inches Languages: English Listing and template services provided by inkFrog