Blueberry Pet Iris Blue Yummy Bone Print Dog Collar in Orange, Neck 12"-16", Small, Collars for Dogs Neck 12-16", Width 5/8", Size Small; The collar does not stretch itself, please make sure leave only 2 fingers between collar and dog neck. The dog collars in the first main picture are sold separately; And their matching leashes are also sold separately to complete the look Made of polyester ribbon sewn on nylon webbing. The metal D ring is chrome coated to add durability. Those buckles are made from ecofriendly plastic Picture was taken from a size Medium (Width 3/4", Neck 14.5-20")