Star Trek Starfleet Blue Uniform Dog Collar Share your love of Star Trek with your canine friend with this officially licensed Starfleet Uniform Dog Collar! Dog collar is made with custom two-tone woven nylon webbing with reinforced stitching. Collar comes complete with a rubber Delta charm, a Star Trek logo patch on Uniform Colors and a durable plastic buckle with adjuster. X-large collar measures 21-34 inches.