Learniture Adjustable-Height Active Motion Stool with Saddle Seat - Flexible Seating for Classroom, Office or Home Black

Designed with pivoting, padded, round seat to encourage twisting, rocking and swiveling, engaging core muscle groups to reduce fatigue and keep users focused while they work Stool Dimensions 17" L x 12" W x 21.7"- 27.6" H (Adjustable) / Seat Size: 16" W x 9" D / Weight Capacity 300 lbs Unique Saddle seat allows users to sit traditionally or saddle horse style Curved rubber base allows users to quietly wobble and rock during use Lightweight Design makes mobility and storage simple / Stool weight 13 lbs