A 40 oz stainless steel travel mug. This Ocean Wave travel mug is insulated to keep beverages hot for 7 hours or cold for 11 hours and features a large handle as well as a narrow base that fits most cup holders making it great for on the go. Insulated travel mug includes a reusable straw and multipurpose lid with sip opening that can also be used with straw. Hand-wash only; do not microwave. A charming beach-themed accessory perfect for on-the-go.