Equipped with double wall vacuum insulation, which means it can stay cold or hot for hours. With ergonomic, comfortable grip, so you can easily carry it anywhere. The narrow bottom design fits almost any cup holder so you can keep it with you. Designed with an advanced lid with a hole that tightly surrounds the straw, it keeps the straw in place for added leak resistance. Made of 304 stainless steel, rust resistant, anti-corrosion, durable and reusable. Humanized design: The slim bottom of this coffee mug fits most cup holders and is easy to hold. The mug features a wide neck for easy cleaning and ice filling. 100% BPA-free plastic ensures safety and health SEAL: If you are looking for an insulated coffee mug with a straw that does not leak or spill, look no further! Our coffee travel mug is designed to prevent coffee from spilling when hitting bumps on the road or while jogging Tapered shape with handle makes this the perfect cup – take it with you wherever you go Specification : Color: broken white Capacity: 40 ounces Material: 304 stainless steel Note the product is NOT dishwasher safe Package includes: 1x straw 1x color box 1x instruction manual in English