Help baby transition from bottle to cup with no-slip, easy-grip Dr. Brown’s Silicone Handles. Introducing handles has never been simpler - they fit all Dr. Brown’s narrow bottles, that’s already familiar to baby. Flexible, soft silicone handles are the perfect first step for baby as their feeding progresses, to learn independent drinking skills. Silicone Handles are safe for use in dishwasher (top rack only), electric and microwave sterilizers or boiling water. 4m+. BPA free.