Nozzle size: 10 mmSuitable for: Rabbit, Small Rodent.Volume :200 mlThe waterer comes with a REUSABLE sticker to save you troubles. Attach to any smooth surface without screwing and drilling.The reliable drinking valve is designed to keep the floor dry while your pet enjoying fresh and clean water.Wash with fresh water, Air dry, Reuse!   Removes cleanlyStrong hold to prevent falling without harming the wallSGS tested glue for safety.