To clean thoroughly, put bottles in upside down, and space out rings and teats to fully sterilise them. The time it takes depends on your microwave and the manufacturer's instructions, with times ranging from 90 seconds to six minutes. How long do bottles stay sterile in microwave bags?

The microwave boils the water and creates a build-up of steam which eliminates 99.9 per cent of bacteria by blasting them with 100°C water vapour. Yes, so long as you follow the right precautions to make sure they're safe for you and your little one. Best budget microwave steriliser bags: ASDA Little Angels 5 Microwave Sterilising Bag s - Buy from Asda You need to be careful when you remove the bag from the microwave as the steam will be extremely hot - make sure to wait a few minutes to cool before opening. For that reason, the NHS says that it is important to sterilise all your baby's feeding equipment, including bottles and teats, until they are at least 12 months old.You should also be careful with what you put in the steriliser bag. It goes without saying that metal is a no-go for the microwave, and you should make sure anything you put in is clearly 'microwave-safe'. Microwave steriliser bags are bags that you pop your bottles, soothers, teethers, breast pumps, or teats into before adding the recommended amount of water. Then you simply pop these steriliser bags in the microwave, and within minutes they're ready to go. Microwave steriliser bags do rely on a microwave, so make sure you have one of these to hand if they're going to be a regular cleaning tool in your day-to-day life. Babies don't start producing germ-fighting antibodies until they're six months old, but by the time baby reaches their first birthday, their body will be able to kill off bacteria all by itself.

If you're looking to keep your baby's bottles sterilised when out and about or have limited storage at home, meaning you can't have a full baby steriliser, microwave steriliser bags are a fantastic solution for cleaning feeding equipment or items that are often in your little one's mouth.

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