15" Yellow (X-Light) These Fidget Loop Bands are ideal for attaching under a student's desk or chair as an outlet for restless, busy feet so that students can focus, concentrate and learn better. For children that have trouble paying attention, the bands keep them active during class without requiring them to move from their desks. CanDo Fidget Loop Bands are made of high quality latex material. The loops at each end make these easy to slide under chairs or desks.