Hay & Salad Hopper was designed to provide your pet with alfalfa, timothy hay or other fresh vegetables that it naturally craves and needs. The Hay & Salad Hopper attaches to the outside of any wire cage conserving vital inside cage space at any level that is easy for your pet to access. Hay & Salad Hopper was designed to keep alfalfa and hay off cage floors where it would become soiled, plus it eliminates wasted food. Hay & Salad Hopper features an "E-Z" view window so you can monitor remaining levels of food and treats. For: Rabbits,Guinea Pigs,Pet Rats,Chinchillas