Good, but ...
It is a good product to slow down eating and to give your cat some interest and activity in its food - but the bowl seems very over-sized for a daily portion of kibble and/or treats. It might work better with biscuits (but I don't know I haven't tried) but our cat's daily 60g of, even medium, sized kibble goes straight through the storage bowl to the tunnels and the bowl looks like it would hold two days worth of our cat's food. I prefer the Stimulo Feeding Bowl and NORTHMATE Catch Cat Feeder.