Stainless steel tumblers and bottles feature a limited 5-year guarantee, are Made in China and printed in Venice, FL. Large bottle opening makes it easy to add ice cubes and bottom features a quiet non-slip base. Copper-lined 18/8 stainless steel construction is durable, and material won't retain tastes or odors. Triple insulation reduces condensation and keeps your drink cold for up to 60 hours. Printed with eco-friendly plant-based inks or powder coated with BPA-free material directly on the stainless surface. Tumblers include BPA-free, leak resistant, easy-to-clean and easy-close lid.