BOTTLE TO SIPPY TRANSITION. Transition from bottle nipple to soft silicone sippy spout to teach baby new drinking skills. SIPPY WITH HANDLES. Easy grip 100% silicone handles are flexible and easy to hold. Bottle handles are removable and fit most other narrow bottles. 100% SILICONE SIPPY SPOUT. Sippy spout fits any Dr. Brown’s Options+ Narrow Bottle when the vent system is removed. GROWS WITH BABY. Sippy spout helps baby develop new drinking and motor skills while using the bottle they know and love. TRAVEL-FRIENDLY SIPPY BOTTLE. Snap-on cap helps prevent spills and keeps the spout clean when on-the-go. EASY TO CLEAN. All parts are dishwasher (top rack only) and sterilizer safe. BPA-free. 6m+.