NeckTech Fun with ClicLockThis collar style offers all day comfort for both short and long haired breeds Our NeckTech Fun collars are fully adjustable by adding or removing links (extra links are sold separately) The addition of the ClicLock closure makes for safe and easy on off A variety of material options Please note; our Curogan style is currently on closeout. We have found that it tends to darken more quickly on our NeckTech collars than others Specifications: 1 D Ring;