The drinkers are made of durable plastic, which makes the cleaning and refilling process very easy. Professional use, can be used as a good bird drinker. Material: Made of PP material high quality, safe and hygienic, durable. Transparent materials make it easier for you to take care of birds. Multifunctional: Automatic water supply to ensure continuous water supply and save your effort Easy to fill with water or small food, no cage opening required, no dripping or leaking. Unique design: there is no leakage between the mouth and the tube wall, the water dispenser has three card slots, elastic, not easy to break, which is economical and practical. Easy Installation: Snap-on design secures the water dispenser to the birdcage, preventing your bird from accidentally tipping over the food/water bowl. Wide Application: Perfect food combination for small pets, rats, hamsters, squirrels, parakeets, chinchillas, canaries, cockatiels, finches and other similar sized birds and small furry animals