Stainless Steel Tumblers with Handle：The 20oz coffee mug is made of thickened 304 stainless steel, liner of coffee mug will not produce any taste and will not rust.The cup comes with a sturdy welded handle for easy grip and ease of use Leak Proof Lid：Each coffee tumbler comes with a spill-proof slider lid, a drinking hole on the top for easy sipping. Two ways to drink make this mug the perfect choice for you at work or on the go Double Wall Vacuum Insulated Tumbler:Insulated tumbler is double-walled and vacuum insulated for up to 12 hours of heat retention and 24 hours of cold retention; It can keep your drinks at the ideal hot and cold temperature Cupholder Friendly: The 20oz travel coffee mug features a tapered design that fits in most car cup holders, and the large 3.38'diameter spout makes it easier to clean your coffee cup Best Gift Idea: We also have bulk nonpareils available. The classic coffee set is a stylish and practical gift for friends and family for parties, Christmas, birthdays, Valentine's Day, Mother's Day, Father's Day This 20oz Tumbler is a must-have for coffee lovers on the go. Made of stainless steel, it features a convenient handle for easy gripping. The double wall vacuum design ensures excellent insulation, keeping your drinks at the desired temperature for longer. With a spill-proof lid, it's perfect for travel. Whether you're sipping your morning coffee or enjoying a hot beverage during a commute, this metal insulated travel coffee mug with handle offers both style and functionality. Ideal for those who value a durable and reliable tumbler cup to accompany them throughout their busy days.