Power of Dream Plastic Bird Canary Budgie Cockatiel Seed and Water Feeder Dispenser Transparent Material : high quality Plastic ,Qty : pack of 2 Dimension :(3 cm x 10 cm) Doesn't drip,doesn't leak(also be used for seeds) Fit nice and tight in the vertical bars,don't move around cage This seed and water feeder is a must for any vertical bird cage.