Our adjustable reflective collar is made with high visibility, 1" WIDE 4000 lb. webbing, and SEWN-IN, not heat transferred Scotchlite reflective striping. The collar has a metal ring for leash attachment and 1" metal buckle. No worries about the reflective material wearing or rubbing off. The collar is adjustable to fit neck sizes from 15" to 18". The 3M Scotchlite provides excellent visiblity in low light conditions. Perfect for use during early morning or late night dog walks.