After several uses with our little piece which is a big baby (5 months and it will be measuring 74cm; size of a baby a year ...) we find the great product! We install in the shower drain practice with the key and because there is no need to lift the siege! Very stable product! Enaël enjoy more play in the seat in classical bathtub. As his back is still reliable, the seat height is reassuring and he begins to catch on handles. The bath in a shower became agréble because it does not remake me the bathroom;)