Featuring William Shatner's Captain Kirk, DeForest Kelley's Bones McCoy, and Leonard Nimoy's Spock from Star Trek the original series, this Star Trek Starfleet 16 oz. Acrylic Travel Mug makes a great gift for the discerning fan! The body of the travel mug is acrylic while the top and bottom is made of stainless steel for a classy, timeless look.