Adjustable PU Leather Pet Dog Collar Bone Design Made of durable PU leather material. Hand stitched for added strength/Decorated with bone design. 5 adjustment holes for adjustment. Fashionable and personalized designed for your pets. Size: S: Adjustable Neck Approx. 8-10 Inches/0.5*11.6 Inches (W*L) M: Adjustable Neck Approx. 10.6-13 Inches/0.6*14.4 Inches(W*L) L: Adjustable Neck Approx. 12.4-15.4 Inches/0.8*16.7 Inches(W*L) XL: Adjustable Neck Approx. 14.3-18.2 Inches/1.0*20.1 Inches(W*L)