This is quite old. I think it's from 10 to 15 years ago or more. It's a novelty item from Bridgestone Cycle. Hello Kitty Around 350ml With carabiner I don't remember using it (probably unused), but it's old and has been stored at home for a long time, so please understand. I will disinfect it thoroughly before shipping. Please refrain from purchasing if you are very particular about condition.