Product Features:ACCEPT CUSTOMIZED SURFACE: Choosing currently existing surface treatment like water-transfer,gas-transfer,heat-transfer printing, etc. Also, accept customizable surface treatment. Various surface treatments to make the products to be the one you dreamed of.ACCEPT CUSTOMIZED LOGO:Acctable customized designs to bring you a refreshing and energetic drinking experience and a positive lifestyle.ACCEPT CUSTOMIZE COLOR: According to the AI file provided by the customer, we can do the extremely similar to the Pantone book.A WONDERFUL GIFT FOR EVERYONE: For those who love outdoor activities such as hiking and camping, the sturdy, portable, and heat-retaining tumbler can definitely meet your needs. For those who spend lots of time commuting to the office, it allows you to take your time drinking your morning brew on the go. For those who enjoy BBQs, birthday parties, and festival celebrations, it is a stylish and practical gift prepared for you and your family!PREMIUM INSULATED COFFEE TUMBLER: Double wall vacuum insulated to prevent heat transfer to the outer walls of the tumbler, condensation free and long-lasting. Great for all beverages, keep hot drinks (like hot Coffee) up to 3 hours and cold (like Iced Water, Coffee or Coca) up to 9 hours. So you could enjoy your beverage cold or hot by the pool, take your cup of joe on the go.PREMIUM MATERIAL: The tumbler is made from high quality 18/8 304 food-grade stainless steel. Lead-free and durable. Rust-proof, easy wash, dishwasher safe, and unbreakable. When washing, our tumbler is BPA Free so you are safe from toxins.SUPERIOR PEARLIZED COATED FINISH: Sweatproof, outside stays dry, easy grip. Electro-polished interior doesn't transfer flavor & no metal aftertaste, you don't have to worry about your morning coffee or afternoon teas being ruined. Designed for car cup holders.ECO-FRIENDLY: The tumblers can be used with confidence as all surfaces that come into contact with your beverage, including the lid and stainless steel interior are BPA-free.The stainless steel is also meets the requirements of the European and American rules and regulations.DOUBLE WALL VACUUM INSULATION: Enjoy Beverage Cold or Hot. Under normal temperature, it can keep a tumbler of ice cake for 12 h until the ice totally melts, or hot coffee warm for 6h.EASY CLEANING: hand washing is recommended, the electro-polished interior doesn't transfer flavor & no metal aftertaste, you don't have to worry about your morning coffee or afternoon teas being ruined.