This tumbler is promotional cup for RZM Publishing for the book "UNTERNEHMEN ILSE"" Photo is from the Ernst Baumann Foto Archiv..

• 20 OZ INSULATED STAINLESS STEEL: Double-Wall vacuum technology keeps hot drinks hot for 3 hours and ice cold for up to 9 hours. 

• PREMIUM MATERIAL: The tumbler is made from high quality 18/8 304 food grade stainless steel. Durable and rust-proof, easy to hand wash and it fits in most car cup holders. 

• LID DESIGN: the lid is designed with a straw hole for cup on the surface, which is good for easy sipping with straws and helping reduce splash, Comfortable in the hand, portable and lightweight to take with you in the car. 

• PRACTICAL USES:：This tumbler is great for hot or cold beverages: coffee, water, beer, cocktail, smoothie, juice, milk, or even ice cream.