In appearance it harmonizes with the Color & Gray® super - grip leash, but without irritation to the fur of the dog, as the thin rubber threads ensuring the optimum grip are replaced by polyester in the collar. The straps used for the Color and Gray collection are made in Germany. Sizes: Length: 27-42 cm / 10.6-16.5 in width: 20 mm Length: 39-65 cm / 15.4-25.6 in width: 25 mm The quality control of the materials and of the products is made by INNOVATEXT and dispose of OEKO-TEX® classification.