Pool walls are constructed of DuraPlus, a reinforced material with a polyester mesh core and two layers of high-gauge PVC for strength and durability. 90% water capacity: 10,250 L Custom molded T-connectors prevent metal-to-metal corrosion Easy 20 minute setup Easy to disassemble when preparing for off-season storage. The 3-layer band provides additional wall support. The round shape means easy installation, greater stability, and less wasted space. Built-in flow control drain valve connects to garden hose (with included adapter) to easily drain water Contents: One pool, filter pump (# 58384AA), ladder (# 58336), pool cover ( # 58037), Compatible with Type III cartridge (# 58012)