It is prefilled, simply plug in. Quick and easy to use. Available in 2 Colours Black/Beige. Customer can order their favourite colour by message.If no selection made any one colour will be sent. It has a detachable power lead plug in and ready to use in 8-12 mins. The item "Rechargeable Back Warmer Electric Power Adjustable Elastic Belt" is in sale since Friday, December 15, 2017. This item is in the category "Health & Beauty\Health Care\Hot & Cold Therapies\Hot Water Bottles & Covers".beater" and is located in Birmingham, West Midlands. This item can be shipped to United Kingdom.