DOCO® The Quiet Collar (DCSN011) DOCO® This nylon Collar features a nylon woven loop for leash attachment. No metal parts for means no clanking noise to annoy the pet and also no rust getting on your dogs fur. The whole collar is recyclable. 3rd party tested for tensile force. 100% high quality nylon Higher tensile strength than polyester Nylon is resistance to mildew, aging and abrasion Quick & easy release plastic buckle Tri-glide for easy size adjustment No metal parts for means no clanking noise to annoy the pet No metal parts for means no rust getting on your dogs fur Vibrant colors are easy to seeSize Chart S 1.5 x 27-37cm M 2.0 x 34-51cm L 2.5 x 45-68cm DOCO® The Quiet Collar (DCSN011) DOCO® This nylon Collar features a nylon woven loop for leash attachment. No metal parts for means no clanking noise to annoy the pet and also no rust getting on your dogs fur. The whole collar is recyclable. 3rd party tested for tensile force. 100% high quality nylon Higher tensile strength than polyester Nylon is resistance to mildew, aging and abrasion Quick & easy release plastic buckle Tri-glide for easy size adjustment No metal parts for means no clanking noise to annoy the pet No metal parts for means no rust getting on your dogs fur Vibrant colors are easy to seeSize Chart S 1.5 x 27-37cm M 2.0 x 34-51cm L 2.5 x 45-68cm