The Dr. Brown Glass Bottle Sleeve 5 Oz & 8 Oz Lot is a set of baby bottles designed by Dr. Brown's, known for their anti-colic nipple. Suitable from 0 months, these bottles have a capacity of 250ml / 8oz and are made of glass with a silicone nipple. The blue color and dishwasher-safe features make it convenient for parents to clean and feed their little ones comfortably. This lot includes both 5 oz and 8 oz sizes, providing versatility for different feeding needs.