SPECIFICATIONSApplicable Dog Breed: small and large dogBatteries Included: noBrand Name: NONECN: ZhejiangCollar Type: Basic CollarsColor: Black Pink Red RoseFeature: Personalized,Quick Release,Spiked collarHigh-concerned chemical: noneIs Smart Device: noLifestage: All stagesMaterial: Leather,Genuine leatherOrigin: Mainland ChinaPattern Type: SolidSeason: all seasonsService: Wholesale, Retail,DropshippingSize: L,XL,XXL,XXXLType: Collars,Dogsis_customized: NoSpiked large dog collar For Medium Large Breeds Pitbull Mastiff Boxer PU leather dog collar high quality M-3XLMaterial:PU LeatherColor:Black Pink Red Rose Features: Adjustble Strong.No rust,not easy to damage .And it has 5 sizescan be adjusted for all the breeds.Rivet decoration:anti bite,to avoid dog bites when fightingSize details: width* length Adjustable rangeM 5.0*46cm 34-42cmL 5.0*51cm 39-47cmXL 5.0*56cm 44-50cmXXL 5.0*61cm 49-57cm3XL 5.0*66cm 54-62cm