The Skillbuilders Three-Piece Mobile Floor Sitter is a comfortable feeding chair ideal for special education children. The firm, contoured foam is waterproof and extremely durable, yet soft to the touch in order to soothe sensory sensitivity. A built-in abductor helps correct posture and the attached safety harness protects the child from sliding or falling out of their seat. The included wedge piece transforms the seat into a convenient floor chair, while the flat base offers smooth mobility on four sturdy casters. Velcro strips connect the three pieces, ensuring stability and allowing the seat to be adjusted to an upright or reclined position. Lightweight, modular, and easy to clean, this versatile mobile seat set can serve special needs children for years.