Easy set up. Rust-resistant metal frames. Heavy-duty PVC and polyester 3-ply band provides additional wall support for 366cm x 76cm (12' x 30"). 366cm x 100cm (12' x 39.5") Frame Pools. Flow control drain valve, for easy draining. Valve attaches to garden hose so water can be drained away from the pool area. All pools come with a free DVD detailing pool set-up and maintenance(Except #56045). Heavy-duty repair patch. Full colour box (Except 366cm x 100cm (12' x 39.5". Extra strength side walls are made with 3 separate layers of material. The inner layer of poyester mesh is laminated to the 2 outer heavy hauge PVC layers. This create a total thickness of 0.40-0.80 mm (16-32 guage) depending on the size of the pool.Safety Information:Warning. Not suitable for Children under 3 years. Warning. To be used under the direct supervision of an adult. Warning. Only for domesic use. Warning. Only to be used in water in which the child is within its depth and under adult supervision.