Three 5 oz stainless steel feeding cups with clamping bolt for secure fastening. Stainless steel cups are durable, easy to clean, and attractive. Cups slip easily in and out of their detachable chrome plated hangers, making it easy to clean and refill. Sugar gliders need to eat and its helpful to us humans to feed them up high in the cage so they don't doody in their food, unless of course, you use a "glider dining room". If you don't have a dining room , we've found a great product. These 5 ounce stainless steel feed cups are durable, easily cleaned, and convenient. We recommend three courses per night, so you might want to get our three pack special on these stainless steel feeders for three nightly courses. Ever wondered why stainless steel is so popular in hospitals, kitchens, food and pharmaceutical processing facilities? The reason is because of its hygienic properties - it is simply one of the easiest materials to clean. The cups measure 3" in diameter and 1.5" deep. Since it is up to us to keep our furry friends' environment fresh and clean, why not make it easy on ourselves? The cups are dishwasher safe! The cups slip easily in and out of their detachable chrome plated steel hangers, making it very easy to hook or unhook for cleaning and refilling. Your sugar gliders can comfortably perch from any location around the cup while feasting. The detachable hanger attaches easily to any cage. Each cup is big enough to feed a single course to several gliders.