Engraving/Printing - We permanently engrave/print this and it will never fade, wipe off or slip away. Customize your tumbler at no extra cost Quality - This powder coated tumbler, made with seamless construction, comes with a lifetime warranty will keep drinks cold for up to 24 hours and hot for 8. It is made with Kitchen Grade 18/8 Stainless Steel and has a double walled vacuum insulated construction that is sweat free. Great gift - Personalize for any occasion including birthday's, graduations, weddings or even holidays! Narrow bottom to fit in most cup holders The product price may fluctuate with shipping costs For orders over 5,000, please call or email for pricing.