The HydroJug Traveler is completely leakproof, cupholder compatible, and has a hygienic circular flip straw for easy sipping. Go anywhere and do anything with this durable, insulated and sleek hydration companion. Features: Triple wall insulation keeps your beverages ice cold Completely leakproof design Circular flip straw with hygienic flip tab Ambidextrous lid for right and left-handed sipping Ergonomic handle Rubber base helps protect your surfaces Cupholder compatible Dishwasher safe Capacity: 40 oz.