Prevue Pet bin feeder is made of powder-coated gravity metal which holds up to a 5-day supply of food. The mesh bottom allows pellet dust to sift out of the feed trough. The movable hooks hold the feeder snug against the inside or outside of any cage. The feeder can be used for either food pellets or Timothy hay. Designed for rabbits, guinea pigs and other similar-sized animals. Available in green color. Measures 3-7/8-inch length by 4-3/4-inch width by 7-1/8-inch height.