About this item 【Prong Collar for Dogs】:This dog prong training collar can help you train your dog better,smooth links and rubber caps provides gentle pinching sensation to train them,You just need to pull the training Collars and the dog will stop naughty. 【Safe And Effective】:The dog prong collar is smooth and round, and combined with the rubber cap,it brings double protection and effectively protects the dog's neck area,The collar naturally spreads pressure to imitate a bitch carrying a pup.can be by adding or removing metal links adjust length and tightness of the dog collar. 【Quality And Durable】:Made of high quality stanless steel,strong and durable,It's effective and safe.our dog training collar has designed a quick release buckle,you can quickly unlock and closed prevent accidental unfastening,And added a nylon protector cover which can help you to protect your dogs the better. 【Suit For Size】: before buying measure your dog’s neck please.Small Diameter 2.5 mm and length 15 inch,Medium Diameter 3.0 mm and length 18 inch,suitable for small and medium dogs. 【100% Quality Assurance】:package includes(1 dog prong training collar,1 protector cover,1 spare link and 8 rubber tips).If you have any questions about the product, please feel free to contact us we will help you within 24 hours.