Full colour sublimation Travel Mug with a leakproof lid.  
These mugs can be full colour and do not have vinyl on so can be washed as normal.
Travel mugs can keep hot liquids hot for over 4 hours and cold liquids cold for over 6 hours.
Caution - as these are made of stainless steel the liquid can remain very hot for a longer period of time.  Please test the liquid before giving to a child to avoid scoulding