Avent Silicone Teat 2pack

Details:- Healthy, active feeding & Unique anti-colic valve proven to reduce colic.   BPA-Free teat allows your baby to control milk flow more like   breastfeeding, which help reduce overeating and spit-up. A unique skirt   system flexes to allow air into bottle and promotes healthy, active   feeding and reduces colic.- Allows air into the bottle instead of your baby's tummy.- Variable flow teat for thicker feeds.- Soft teat with rounded shape.- Silicone teat.- BPA-free teat.-suitable age:  - newborn: 0 months +  - slow flow: 1 months +  - medium flow: 3 months +  - variable flow: 3 months +  - fast flow: 6 months +