but you go in pieces. [ female announcer ] you can't pass mom's inspection with lots of pieces left behind. that's why there's charmin ultra strong. its diamondweave texture is soft and more durable so it holds up better. fewer pieces left behind. charmin ultra strong. at exxon and mobil, we engineer smart gasoline that works at the molecular level to help your engine run more smoothly by helping remove deposits and cleaning up intake valves. so when you fill up at an exxon or mobil station, you can rest assured we help your engine run more smoothly while leaving behind cleaner emissions. it's how we make gasoline work harder for you. exxon and mobil.