The YETI Rambler Insulated Bottle w/ Chug Cap - 46oz is a large water bottle for all-day hydration. The durable 18/8 stainless steel construction allows this bottle to head out on every adventure. Daily life to the outdoors, the double-wall vacuum insulation keeps water ice cold, and at 46 ounces, there is plenty of it. The chug cap makes filling easy, and drinking without spilling even easier. Leakproof by day, dishwasher safe by night.