Coop Cups Hook On 150ml Stainless steel coop cups are ideal for use in small animal cages, especially for chinchillas and chipmunks. Rosewood (stainless steel) coop cup feeding bowls are available in a number of different sizes to enable you to provide the correct vessel for your pet"s overall requirements. Rosewood Coop Cups with hooks are designed to be simply hung on the bars of your pet"s cage or hooked onto aviary mesh. Gnaw proof stainless steel dish, won"t break or tarnish. Ideal for all foods and easy to clean.