Keep your drinks perfectly hot or icy cold for hours on end with our durable 40oz stainless steel auto mugs! The double wall, vacuum insulated construction maintains temperatures and prevents condensation. The screw on lid features a sliding closure to prevent annoying spills. An included BPA-free plastic straw lets you sip easily while on the go.- 40oz double wall vacuum insulated stainless steel construction - Maintains temperatures for hours hot or cold - Full color dye sublimation printing won't fade or scratch - Includes BPA-free plastic straw & screw on sliding lid - Perfect size and capacity for coffee, tea, shakes, smoothies