Blueberry Pet 3/8-Inch Adorable Triangles in Colorful Spring Pastels Designer Dog Collar, X-Small Dog Collar Size: X-Small Width 3/8", Neck 7.5-10" The dog collars in the first main picture are sold separately; And their matching leashes are also sold separately to complete the look Adjustable Dog Collar; Those buckles are made from ecofriendly plastic Made of high density polyester, which imparts softness and durability to the dog collar Picture was taken from a size Medium (Width 3/4", Neck 14.5-20")