Water fills through a nozzle on top of the mattress and provides a cool and comfortable play or living platform. Stability-enhancing internal bar. When you connect the product to a garden hose, you can enjoy the water spraying on the base. Drain the water through the nozzle on the top surface or through the drain valve on the bottom of the base. Water capacity: 800 liters. Repair place included. Age recommendation 3+.