● Seat Attachment for Nimbo Posterior Walker, Youth, Knight Blue: The Seat Attachment for Nimbo is a solid seat that folds up and out of the way for walking and flips down for sitting. ● This is a seat attachment for the Nimbo posterior walker only, and can be added to a Nimbo walker at any time. ● It is size Youth and is blue in color. ● Dimensions: 21" x 6.5" x 21" Weight: 23 lbs UPC: 714905090188 Notice: Typically ships in 1-2 days.