Heorshe Sippy Cup Stage 1 bottle capacity is 6oz/180ml.
Stage 1’s spout is wider and shorter, easily to latch, for first timer or baby who just started solids between 4m and 6m old. The stage 1’s spout flow is relatively slower than stage 2. It is suitable for the baby from 6m to 12m old.
Heorshe Sippy Cup  Stage 2 bottle capacity is 9oz/280ml.
Stage 2’s spout is longer and relatively faster flow than stage 1. It is suitable for baby from 9m to 36m old.
Both spout stages are designed to protect new teeth and reduce the misalignment.