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 nylonHigher tensile strength than polyesterNylon is resistance to mildew, aging and abrasionQuick & easy release plastic buckleTri-glide for easy size adjustment No metal parts for meansno clanking noise to annoy the petNo metal parts for means no rust getting on your dogs furVibrant colors are easy to seeSize Chart S1.5 x 27-37cm M2.0 x 34-51cm L2.5 x 45-68cm