Our classic bottle paired with the 360? HotShot(TM) Cap is leakproof for hot coffee on the move. Fits in most cupholders. Leakproof for hot coffee on the move. On-the-go caffeine enthusiasts, meet the ultimate drinking vessel for filling up and hitting the road. While this 12 Oz Rambler(R) bottle is conveniently light, it holds more than enough joe to jump-start your day. This Rambler(R) Bottle gets extra kudos for its included, sip-from-any-side, 100% leakproof HotShot(TM) cap, which means when it's closed, it's safe to stash in your backpack, too.