Durable synthetic leather collar with nickel plated hardware 5 adjustment holes, 5.1 cm wide double layer synthetic leather Size of the necklace: Size S: neck size from 38 to 45 cm. Size M: neck size 43 to 50 cm. Size L: neck size 48 to 56 cm. Size XL: neck circumference from 53 to 61 cm Nickel plated hardware and sturdy D-ring to protect his neck High quality tough and durable synthetic leather. Lightweight, elegant and not rigid Size: S & nbsp; | & nbsp; Color: camouflage Material: synthetic leather. Premium quality leather dog collar. Studded nails, cool design as in the photos. 5.1 cm wide, 5 adjustable holes. Small size for 5 cm wide, 51 cm long and neck size from 38 to 45 cm. Size M for 5 cm wide, 56 cm long and neck size 43 to 50 cm. Large size for 5cm wide, 61cm long (5 x 61cm), neck 48 to 56cm. Size XL for 5 cm wide, 66 cm long (5 x 66 cm) neck size 53 to 61 cm. Note: Before ordering, please make sure your dog’s neck is suitable for this size (this is very important).