100% CUSTOMER SATISFACTION - We value every customer response and offer a super friendly customer service. In any case, if you are unsatisfied with the purchase of our product, just feel free to reach us. We are willing to help you in every possible way. We sincerely hope you to enjoy the purchase and enjoy your life with our tumbler. Finally, it comes with a variety of awesome PRINTED ARTWORK. Come to choose a design for yourself!. UNIQUE GIFT WITH PERSONALIZATION - This tumbler is a perfect gift idea for the ones you love on Christmas, Birthday, Thanksgiving, Retirement, Mother's Day, Valentine's Day, or any occasion. BPA-FREE FLIP LID & ANTI LEAK - Each tumbler comes with an Anti-Leak, BPA-Free flip lid. Our Tumbler's lid is designed to be leak-resistant to prevent any major spills. Our BPA-Free tumblers will make you drink without worrying about phthalates and toxic materials. NO RUST STAIN OR METAL TASTE - made of 18/8 stainless steel which is known for its strength and purity, therefore our Tumbler won't break, rust, retain or transfer flavors. KEEP BEVERAGE COLD & HOT - Each tumbler has double-walled, vacuum-sealed and copper-coated insulation, which helps to keep drinks cold for up to 24 hours & hot for up to 12 hours.