... any color of the collar as you choose6. 1 pc/pvc polybag,1000pcs in carton,carton size:50* ... s neck,adjust for fit,and buckle in place2. the collar must be worn loosely to allow for ... dispose of excess length6. under normal conditions,replace collar every 60 days7. under conditions of severe ... rapid function is desired,collar may be replaced more often8. store unopened collar in a cool and dry place9 ...