The water cooler dispenser is made of ABS food grade plastic body with stainless steel water tank. All materials meet high quality safety and standards. Equipped with a high-quality and energy-efficient compressor, this top loading water dispenser fits for 3 to 5 gallon water bottles and provides access to ice-cold or piping hot water in an instant with push button controls. At the back of the water cooler, there are two hot and cold switches, red for stop heating, green for stop cooling.The water machine loads from the top & allows you to spot if it's is running out of water.The 5 gallon water dispenser comes with a very user-friendly security lock on the hot water tap to prevent accidental burns to your children. You don't have to be frightened about any safety risk from the water dispenser to your children.It is good choice for home or office