Hamster Bath and Sand Set Bath: Harmony Bath (Used a little. One of the tabs that holds the roof and the tub together is weak. Please understand this before purchasing.) Overall size: Depth x Width x Height Approximately 160mm x 130mm x 100mm Entrance size: Width x Height: Approximately 60mm x 50mm Suitable for: Dwarf hamsters Probably too small for Golden hamsters Sand: Harmony Bath Sand, approximately 400g (Opened, some used. The sand itself is unused.) I am selling this because I no longer have a hamster and have no use for it. Please consider purchasing if you are interested.