Features Squeezable Natural Flowing Bottle 8oz (2): -The innovative bottles from Comotomo are designed to better mimic natural breastfeeding -Soft silicone nipples have a natural shape and are perfect for babies who are struggling to switch from bottle feeding -Your baby will love holding the soft, skin-soft bottles that are unique in the world. You'll also love their wide mouths that make it easy to wash bottles -Our bottles feature innovative orifices cleverly designed to prevent colic and eliminate leaks -These are possibly the best-designed bottles in the world . -The 250ml (8oz) bottles have a nipple (2-hole) that pours a medium flow -They are designed for babies at least 3 months old -Safe in the microwave, in boiling water, in the dishwasher or in a sterilizer -100% medical grade silicone, BPA free, PVC free and phthalate free Features Squeezable Natural Flowing Bottle 5oz (2): -The 150ml (5oz) bottles have a nipple that pours a slow flow -They are designed for babies newborn to 3 months old Features Natural Silicone Nipple (3): -Replacement nipple set is specially designed for Comotomo bottles -Each set includes 2 silicone nipples designed to mimic breastfeeding and avoid confusion -Each replacement nipple features two innovative openings that help prevent colic , while eliminating leaks -Comotomo's replacement pacifiers will fit baby throughout their growth -Easy to clean -Microwave safe in boiling water , in the dishwasher or in a sterilizer -100% medical grade silicone -1x Very slow flow (1 hole) for babies aged 0 to 3 months -1x Medium flow (2 holes) for babies aged 3 to 6 months -1x Fast flow (3 holes) for babies aged 6 months +