Keep your small pets fed and hydrated with this durable D-shaped cage cup. The space-saving half-round design fits flush against cage bars, maximizing interior space while providing easy access for birds, hamsters, guinea pigs, rabbits, and other small animals. Features sturdy metal hooks that securely attach to wire cages for stable, no-tip feeding. Made from easy-to-clean plastic that's built to last. Perfect for food, water, or treats.