Comemall 6 Colors Adjustable Small/medium Dog Collar Croc Leather Spike Studs Collar Xs-l6 Colors Adjustable Small/medium Dog Collar Croc Leather Spike Studs Collar Xs-l Made of PU leather 3 adjustment holes Package Included: 1 Pc Pet Dog Adjustable Dog Collar Note: Please choose the One or Two size up to ensure your dog feel more comfortable. :-) Please allow 1-2