<b>PRODUCT SPECIFICATION</b></br>Tumbler material: Food grade 18/8 stainless steel</br>Straw material: 304 stainless steel </br>Lid material: ABS ,100% BPA FREE,non-toxic & safe </br>Cleaning brush material: 304 stainless steel</br>Color:Purple</br>Capacity:12oz ( Outer gallbladder)</br>Package:1 piece per gift box</br></br></br><b>TRIPLE INSULATION POWER</b></br>Inner walls are dipped in a copper lining for maximum conductivity to make your cold drink stay cold for over 9 hours while hot drinks stay warm for 3+ hours! </br>Double wall vacuum insulation keeps the temperature constant while the copper lining keeps the temperature within your drink even from top to bottom.</br></br></br><b>IDEAL FOR CAMPING, PERFECT FOR GIFT</b></br>Modern curved design that is easy to hold. Smooth lips, easy to drink. Includes a versatile top lid for sipping or with a straw. </br>You could pour inside your favorite coffee, Bordeaux, Chardonnay or any other wine. Ideal for champagne, cocktails, juices, beverages, sodas, beer, and other drinks.</br></br></br><b>TIPS</b></br>Do not wash it in dishwasher in case that the cup glass would be scratched,Hand wash recommended.</br>Do not overfill to avoid leaking when putting lid on..</br>Do not heat on open flame or stove.</br>Do not use the microwave oven for heating.</br>Do not clean by abrasive cleaners,washing these cups with sponge cloth or sponge ball dipped into warm water. </br>Do not overturn the cup to avoid pouring,there is a straw hole on the lid.</br>To protect your child, please cover the cap after adding the hot water.