Drinking Spouts 2-Pack Narrow Soft 100% Silicone Baby Bottle Drinking Spout 6m+. Description Convert your Dr. Brown's® Options+™ bottle into a feeding bottle for an easy transition from bottle to cup for baby. Take the bottle baby is familiar with and turn it into a sippy cup with Dr. Brown's® Milestones™ Options+™ Sippy Spout. Simply remove the Dr. Brown's Options+ vent and replace your current bottle nipple with the drinking spout for gradual learning. The easy-to-drink spout is 100% silicone and assembles in seconds. Easy to clean, dishwasher (top rack) and sterilizer safe. BPA free. 6M+.