Easy setup. Durable PVC and polyester with three-layer sidewalls. The built-in drain valve can be connected to a garden hose using the included adapter for easy water drainage. Self-adhesive underwater repair patch. The extra-strong sidewalls of this pool are made from Tritech™, a three-layer reinforced material with a polyester mesh core sandwiched between two high-density PVC layers. This results in a material thickness of 0.40-0.80 mm (16-32 gauge) depending on the size of the pool, ensuring exceptional strength and durability. 80% 13,807 L. Includes a pool, filter pump, safety ladder, cover, and ground cloth. Sturdy cardboard with images. Installation typically takes about 10 minutes with 2-3 people, without any ground work or filling.