With a double walled copper lining and insulated vacuum design, this beverage container is ideal for both hot and cold drinks. It also features an acrylic top lid and spill proof sliding sip. Please be advised that it is NOT recommended for dishwasher or microwave use. Perfect for home, office and travel. Quantity ordered must be in increments of 24 pcs per color. 3 3/8" x 7 1/4" .