LEAK-PROOF SCREW TOP LID----You don't need worry about the lid leak any more, which will make your file and earphone wet . To solve the problem (the lid leak ) as many customers reivewed in other products, our designer and engineer had designed 54 different solutions. Now our design works well, you get a leak proof stainless steel drinking bottle.
KEEP HOT----Get a tea drink or coffee outside, hot is better, isn't it? Double wall insulation maintains temperatures inside regardless of the temperature outside. Keep hot for 6 hours, and keep cold for 24 hours. It's an insulated water bottle, you even could take some hot water for your baby's milk power.
Superrule