The Classic Preno Royal series is made from nylon neoprene and features a soft grip due to the neoprene lining. The closure technique prevents excessive strain on the buckle, which is covered from the inside. The closure top is made of metal and, like the other metal parts, has a matte silver finish. The collar is available in various sizes and colors. This version is size XS, is 15/20 mm wide, and is adjustable between 28 and 34 cm.