Features: Made of high-quality Stainless Steel, which can be washed at high temperatures. Durable and safe to pets. For small animals, such as rabbit, chinchilla, guinea pig, hedgehog-, and ferret-. Easy to install and detach-. This pet drinker can be used in both directions- and can be used inside and outside the cage. Multi sizes for you to choose according to your pet's cage. Specifications: Material: Stainless Steel Type: A/B/C/D/E Size A: Approx. 10x4.5cm/3.94x1.77in Size B: Approx. 12x5cm/4.72x1.97in Size C: Approx. 14x5.5cm/5.51x2.17in Size D: Approx. 16x6cm/6.30x2.36in Size E: Approx. 18x6.5cm/7.09x2.56in Package Includes: 1x Cage Food Dispenser note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.