- Compatible with all Haakaa Gen. 3 Silicone Baby Bottles..
- The automatic straw has a heat sensitive feature in a ring that changes color from green to yellow when the temperature overcomes 42°, it also helps to measure your baby's milk temperature.
- Easy to use and to attach.
- It teaches your baby independence.
- Made from food grade silicone and Food Grade PP.
- Safe in the dishwasher.
- Do not microwave.
- BPA, PVC and phthalate free.