Type:40pcs Wholesale High Quality Nylon Dog Collar for Small Medium Large Dogs 4 Colors:Blue, Purple, Black, Red Material:Nylon Features: Pure plain style,makes your pet look simple and peace Cheap price,but high quality and can also enjoy wonderful service Durable metal D Ring for leash and ID tags Fit for Small,Medium and Large Dogs,Puppy,Cats Package include:40 pcs Collars Size: XS:Neck for 7.5-8.5"(19-22cm),belt width 3/8"(1.0cm) S:Neck for 9-13"(23-33cm),belt width 5/8"(1.5cm) M:Neck for 10-15.5"(26-40cm),belt width 3/4"(2.0cm) L: Neck for 15.5-21"(39-53cm),belt width 1"(2.5cm) Note: Before you order,please be sure your dog's neck is suitable for this size (That's very important) Any questions please feel free to message us.Thanks a lot!