Lifefactory's nipples are made in France of FDA approved medical grade silicone.
The nipples come in Three Stages:
Stage 1 Nipple (assembled on 4 oz. bottles) Slowest flow, recommended for 0-3 month olds and breastfeeding babies.
Stage 2 Nipple (assembled on 9 oz. bottles) Medium flow, recommended for 3-6 month olds.
Stage 3 Nipple - For babies over 6 months
Y-Cut Nipple The fastest flow offered, ideal for toddlers 1-3 years old. Also perfect for feeding thicker liquids and cereal.
Dishwasher safe & BPA free
Lifefactory Stage 1 Nipples - Sold as a 2pk