The Food Funnel works great for rabbits, hamsters, guinea pigs, chinchillas, ferrets, and gerbils. Off-the-floor feeder keeps food free from contamination by animal waste. Clear plastic allows easy view of content level. Adjustable hanger attaches to plastic or glass aquarium or wire hutch. Holds 8 ounces. 3.625 inch long by 2.5 inch wide by 6.625 inch high.