Medium Flow - 3m+ Clear nipples for reusable bottles. Ideal for the Breast Fed Baby Wide soft silicone nipples, for baby to suckle - at mother's breast. Best for combining breast and bottle feeding. Warnings Inspect nipple immediately before and after each use and throw away when worn, damaged or punctured, for example by biting. Before use, wash thoroughly and sterilise in an Avent electrical or microwave steam steriliser, in sterilising solution following the manufacturer's instructions, or by boiling in water for at least five minutes. Always wash immediately after use. Keep in a dry, covered container. Do not leave in sunlight when not in use. Infants must not be bottle fed without adult supervision. Feeding nipples should not be used as dummies, pacifiers, or soothers. Continuous sucking on a bottle may cause tooth decay. Do not use with Avent Disposable System. Use clear nipples with reusable bottles and blue nipples with disposable nursers.