This slide converts from a gentle toddler slide to an exciting preschooler slide simply by flipping it over--no extra pieces required. Both sides of the slide have high sides and grab rails for security, plus a large platform area for take-offs. A wide base provides stability and doubles as a crawl space in the higher position. Made of durable, double wall plastic The slide is a durable outdoor product that adjusts in slide platform height from 21" to 31". Wide footprint for added stability. Crawl through sides in 31" position Grab rail detail for easy up mobility when using steps. Large platform area in 21" position.