Easy to clean and fill. Our bottles are microwave and dishwasher safe, yet light and easy to hold. - The First Feed bottle has been developed especially for use with premature babies or for those first newborn bottle feeds with expressed milk to encourage the transition to bottle feeding. - The extra slow Flow nipple allows the milk to Flow at a slower rate than a standard nipple which is ideal for babies who in the process of transitioning to bottle feeding or find standard nipples. Flow rates too fast. - The First Feed bottle comes complete with a Closer to Nature Breast Milk Storage pot which allows mom to express milk directly into the pot from the pump and to feed straight from a bottle. - All of our products are free from Bisphenol A BPA.