That Time I Got Reincarnated as a Slime Rimuru Stainless Steel Metal Water Bottle 17 Oz. (DISC)Rimuru's used his mimicry ability to alter his form in all kinds of ways before, but if you ask us, his latest change is particularly refreshing. This Rimuru Metal Bottle by ABYstyle features a wrap around design inspired by the slime himself and includes a screw top so you can take it with you wherever you go.