Rogz Utility Classic Adjustable Reflective Collar Blue Rogz Utility Classic Reflective Adjustable Collar - BluenbspRecommended for everyday use the Blue Rogz Utility Classic Collar is durable with strong webbing and highly reflective stitching for night-time visibilityThe safe and trusted RogLoc buckle on the large and Extra Large sizes can be locked to prevent it from being accidentally opened and there is a special ring to attach an ID-TagnbspFeaturesErgonomically contoured Fully adjustable High strength components and stitching Highly durable ID attachment Reflective stitchingnbsp4 Sizes AvailableCollar SizeWidthFits neck sizesSmall11mm20-31 cmMedium16mm26-40 cmLarge20mm34-56 cmEx Large25mm43-70 cmnbsp