This 25oz insulated Vacuum Tumbler Water Bottle With Bamboo Wooden Lid is made of high-quality double wall stainless steel. Your drink will maintain temperature for hours if not days. The exterior is powder coated for a colorful and highly durable, rugged finish. Easy to clean, fill and drink. Even filled with ice, the bottle will not sweat. Custom logo imprinted or laser engraved. Welcome to your customization!