Kaytee Gravity Bin Feeders hold up to two pounds of food giving your pets a five day food supply! Exclusive Snap-Lock bracket system attaches directly to any wire cage. It feature a unique, sifter floor design that eliminates pellet dust helping to prevent respiratory problems in small animals. Kaytee's Suction-Cups (sold separately) can be inserted into the Snap-Lock bracket allowing you to secure a Gravity Bin Feeder inside a glass enclosure. Great for rabbits, ferrets, and guinea pigs. Assorted colors. Size: 5.5"L x 5.75"W x 8.25"H.