Namsan Puppy Dog Pet Doggie Cats Leather Collars Necklaces With Studs Width 1.2"(3.2CM), Lenght21.6"(56CM), Nice Size 17"--20"(43--51CM), 5 Adjustable Holes Thick Leather and Metal Studs,Durable,surprisingly sturdy,Studs are smooth and would not hurt your dogs neck Let your dog more attractive Soft and not stiff, with Stud Namsan's Delivery: FBA(Fulfill by Amazon) can one day delivered, FBM(Fulfill by Merchant) will need 6--14 days, Not as Amazon system shows:14--28 working days