This rhinestone tumbler is the ultimate upgrade for your daily water bottle—combining the functionality of a double-walled cup with a full-glam finish. Whether you're headed to pilates, planning a bachelorette weekend, or just want your drinkware to match your vibe, this tumbler adds instant sparkle to your routine. Fits in standard car cup holders, includes a reusable straw, and comes in a range of shimmering colorways.