GoTags Classic Solid Nylon Dog Collars by Constructed for comfort, appeal and durability. Available in Assorted Colors & Adjustable Sizes. Our premium nylon dog collars come in 4 adjustable sizes. The side release buckle is made from military grade plastic and will hold under tough pressure. Finished off with a stainless steel D-ring. Sizes: Xsmall (3/8" width by 8-12" length); Small (5/8" width by 11-16" length); Medium (3/4" width by 14-20" length); Large (1" width by 18-26" length). Color Options: Black, Blue, Orange, Pink, Red Please note If purchasing an adjustable slider collar, your pet's neck size must fit within the collar's adjustable length range. To order select your size and color option from the above choices and add to cart. The dog collars in the first main picture are sold separately. Picture was taken from a size large collar. To see all of our Pet products, including matching leads - click on our brand name GoTags (under the title of this page).