COP® K9 Neck band for Dogs Available sizes: S,M, & L Size adjustment: Size S: adjustable 37 54cm Size M: adjustable 47 - 64cm Size L: adjustable 57 74 cm The COP-K9 ® nylon collar has a handle and security lock SL3X. In order to push the outer closure flaps may initially have the button be pressed in the middle of the safety closure. The strap is 50 mm wide. Flauschklett for attaching labels. A D-ring with a 3.5 cm internal diameter for attaching leash or carabiner.