This 5ft Steel framed Pool from Bestway is a fantastic first garden pool specially designed for younger children. (NOTE: This pool has a recommended maximum water depth of 35cm (13.6"). never allow children to use the pool unsupervised). Key Features: Easy set up Rust resistant metal frame Easy to take down for off season storage. Heavy duty repair patch included. Construction: All the Steel Proswimming pool sets are made using durable steel frames, which are joined together using easy-fitTconnectors andCclips. These frames help to shape the outdoor garden pool, holding themetal techliner and PVC and polyester outer wall of the swimming pool in place. The extra strength side walls are made with 3 separate layers of material. The inner layer of polyester mesh is laminated to the 2 outer heavy gauge PVC layers. This creates a total thickness of 0.40-0.80 mm (16-32 gauge) depending on the size of the pool.