Camping Mug constructed of powder coated 18/8 stainless steel, features a 14 ounce capacity, copper lining, an ABS plastic sip-thru lid with rubber gasket and double wall vacuum insulation that keeps drinks at optimal temperatures for up to 12 hours. It's BPA free, FDA compliant, sweat-resistant and ships assembled. Hand wash recommended. Available in a variety of mug colors, make sure to take advantage of the customization choices!