That that cup of joe to go to school or work in these hot and cold cups that are easy to bring along. Made of high quality double wall vacuum insulated stainless steel, these tumblers have a cylindrical design and a construction that is durable and rust resistant. Maintains the temperature of hot drinks for up to six hours or cold for as many as 12. Available in assorted colors. Add your school, sports team, organizational or company logo or message to customize.