5 stages in one training cup system

Stage 1
At 4 months, start the first step of bottle to cup training by introducing a drinking cup to your baby as a feeding bottle.
Stage 2
At 6 months, introduce sipping to your baby by drinking from a spout.
Stage 3.
At around 12 months, straw cup can be introduced to replace the spout.
Stage 4
At around 18 months, teach baby drinks from an open cup by using an open cup trainer lid to minimize spillage.
Stage 5
At last, your baby can drink from an open cup without any lid.