SHARP Spiked studded PU leather dog collars,black nails,cool skull symbolic,specially metal fasteners,Heavy Duty for Medium,Large,X-Large dog breeds. | Collar size:3" width,neck for 17-20",5 holes adjustable,strong, soft and comfortable as gift for your friends to wear everyday. | Its surface has 36 black spikes,enough to protect its security,such spikes + cool skull logo, make your dog stand out among the masses. | Superior and Durable D-ring easy-to combine leather leashes or any leads when you training or walking with your friends out door. | ATTENTION - For the rivets are accurately SHARP, it's not safe for dog wearing while playing with your children or people.Please take a good control of your dogs while wearing this collar