Milton, the expert in cold water sterilisation of baby feeding equipment for over 70 years Use in Cold Water Sterilisation Method which sterilises in just 15 minutes and kills 99.9% of germs. Made solution is effective for 24 hours and comes in a convenient 30 tablet pack. - Ideal for travel. - Effective in 15 minutes. - Stay sterile for 24 hours. - No need to rinse. Why sterilise? During your baby's first 12 months, their immune system is still developing so they need extra protection from germs. What should I sterilise? Bottles, teats, soothers, plastic feeding spoons, weaning bowls, teething rings, toys, breastfeeding equipment such as breastpump parts and milk storage containers.