actually I'm not a Rollleinenfan, but if it has to be one, then only one with belt. Since, unfortunately, no roll linen that really reflect well, is this line in my view the best alternative. The belt can also be seen well in the dark and with just 300gr is the Box also for smaller dogs (my dog weighs only 11 kg) not to hard, the hooks for the collar or the harness is not too bulky. I am well pleased so far, at least as long until it times a Manufacturers are, it actually riff, a truly reflective Gurtrollleine produce.