Size: X-Small: 0.6*12"(1.5*30cm); Small: 0.6*14.5"(1.5*37cm); Medium: 0.7*16.5"(2.0*42cm); Large: 1.0*20"(2.5*51cm)perfect for daily walking. Fashion Spike Dog CollarsChoose this amazing cool designed studded dog collars.A line of bullet rivets studded on, sturdy,strong,help to protect your dog against other dogs attacking. Durable&Soft PU Leather Pet Collars Sturdy dog collars made of soft high quality PU leather and punk spikes; Good sized D-ring which fits perfectly with almost all dog leashes,name tag and rings. Durable and sturdy and Adjustable These dog collars are made of metal hardware clasp, not easy to fade and fray, sturdy and durable for using a long time. 5 metal eyelets adjustable keep the leather dog collar in right size. Wide range of applications These dog collars are nice for pets to wear in various occasions, such as daily party, birthday, pet theme party, daily wear, walking, traveling, running and so on, giving them charming and chic look.