Usage Directions / Dosage: To Clean Silicone Nipples: Boil nipples for five minutes before first use. After each use, wash in hot, soapy water for about one minute and rinse thoroughly. Dishwasher safe, top rack only. Boil nipple for five minutes weekly to maintain cleanliness.Warnings/Caution: To prevent a possible choking hazard, test strength regularly by pulling hard on stem. Inspect nipple regularly, especially when baby is teething. If nipple becomes cracked, torn, or shows other signs of excess wear, discontinue use immediately. Do not at