All plastic gravity feeder Feed trough bottom is perforated with holes to allow pellet dust to sift away from food Translucent plastic allows pet owner to keep track of food levels Top lid slides open for easy-access refilling Holds snug to inside or outside of any cage with easy clip-&-lock system Perfect for rabbits, guinea pigs, and similar-sized small animals Holds up to 5-day supply of food Case includes assorted color