i don't have a clue how long it will keep things cold as i bought this specifically for coffee. we hope to work with you again in the future! could these two be any cuter? avoiding chewy and sticky foods – these types of foods can stick to the appliance and even loosen it. she kept turning round to see what was behind her and jumped at every noise. my only troll was a sad little moth-eaten effort with green hair, that sat on top of your pencil. i'm not going to say much (i know, that'd be a first, right?) 