①【Packaging and size】Our package includes 5 PCS Birds Cage Cup. The size is 1273.8cm and the length of the hooks is 1cm. You can easily remove it and wash it with water, and won’t retain bad odors or germs like other food bowl, keep pets safer to use. ②【High quality】 This bird feeder is made of high quality plastic material, which is environmentally friendly, odorless, wear-resistant and durable. The edges of the pet bowl are smooth without burrs. Very safe for your birds, poultry, rabbits. ③【Easy to install】This bird feeder with rear hooks can be simply hung on a birdcage. Make sure the bird feeder can be fixed firmly in the cage, prevent your bird from accidentally knocking over the food/water bowl. You can also place it directly on the bottom of the cage if you wish. ④【A function】The hanging food bowl can be used to hold food or water, which is convenient for pets, prevents your bird from accidentally knocking over the food or water bowl, keeps your cage clean and hygienic and