MODERN TECHNOLOGY - 12oz tumblers feature double wall vacuum insulated design and thermal copper lining to maximize the length of time cold beverages stay cold and hot beverages stay hot. BREAK RESISTANT STAINLESS STEEL DRINKWARE- Constructed of durable (18/8) food grade stainless steel with electro polished interior for rust protection, double walled design prevents cup from sweating. SPILL RESISTANT LID - BPA-free lid has a convenient drinking hole for sipping or placing your straw, as well as a removable silicone band for secure closure and easy cleaning. VERSATILE - Unique and fun design is perfect for all occasions; Great for use at home, office, picnics, parties, soccer field, etc; Comes in a color gift box and makes a great gift for friends and family! CONVENIENT for an on-the-go lifestyle, attractive faux Acacia wood grain design with matte finish.