This useful pack of 3 bottles can be used to collect, store, freeze and feed breastmilk. Each bottle is 100% BPA free and can be used with all Medela breastpumps (sold separately). For extra convenience they're dishwasher and microwave safe and for safety they are made from a shatterproof material.Medela bottles have been designed for the safe, long-term storage of breast milk. You can pump breast milk directly into the baby bottles and store it. You can also feed your baby using the same bottle. The bottles are made from a safe plastic, designed to retain the breast milk's beneficial properties and are ideal for the safe storage of breast milk in the refrigerator or freezer. The colourful ounce and millimetre markers make it easy to measure the exact amount of milk you have expressed. The bottles also feature screw-on lids so that they do not leak when they are stored in the fridge or freezer, or transported when you are travelling.Suitable for ages 0mths+