Tommee Tippee Closer To Nature Electric Steam Steriliser Keeps Everything Sterile For A Whole 24 Hours If You Keep The Lid Closed, So You Can Switch It On At Bedtime And Wake Up To Sterile Bottles For Laid-Back Breakfasts. Our Electric Steam Steriliser Is Really Easy To Use. Just Push The Single Button – It’Ll Glow Orange When You Switch It On And Goes Off Five Minutes Later When The Cycle Is Finished. Give It Three Minutes To Cool Down And You’Re Good To Go.