Kore's "Grow With Me" Kids Adjustable Wobble Chair features an adjustable seat that allows the chair to grow with your child. Adjusts to height 15.5" to 21.5". Ideal for children with ADD or ADHA; provides an outlet for restlessness and extra energy. The Wobble Chair means kids don't have to sit still. Best seat in any classroom. 3 year limited warranty.Special Shipping Information: This item ships separately from other items in your order. This item cannot ship to a P.O. Box. This item may be subject to additional processing days.