GriO Baby Bottle System - Premie Edition #babyessentials The Preemie Baby Bottle System GRIO Tell Me NIB Feeding is a bottle set designed for feeding preemie babies. Comes with 2 bottles. It features a soft nipple that is anti-colic and orthodontic, made of silicone material. The bottle has a capacity of 125ml (4oz) and is made of BPA-free plastic, making it safe for use. The clear color of the bottle and its shatterproof and dishwasher-safe features make it a convenient and practical choice for parents looking to feed their baby in a way that mimics breastfeeding.