Dr. Brown’s Milestones Narrow Sippy Spout Bottle is the easy way to help baby develop new drinking skills! Introducing a sippy spout has never been simpler. The soft silicone sippy spout is used in place of the nipple on the Dr. Browns Narrow Bottle thats already familiar to baby. Easy grip 100% silicone handles are removable and fit most narrow bottles and sippy cups, while the snap-on cap keeps the spout clean when on-the-go. The soft sippy spout fits any Dr. Browns Options+ Narrow Bottle after the internal vent is removed. All parts are dishwasher (top rack only) and sterilizer safe. BPA-free. 6m+.