Secure hydration capacity with a travel-ready standout. The YETI® Rambler® 35 oz Mug is a substantial partner designed for stability. Crafted from 18/8 stainless steel, the double-wall vacuum insulation keeps contents cold for hours. Bring your mug with you everywhere with the cupholder-friendly base and ergonomic carry handle. To protect the quality of your custom design and keep it a practical favorite, we recommend hand-wash only.