Angel Pet Supplies Inc. Leather Rhinestones Bling Elastic Break-Away Cat/Kitten Collar (Athens). 10" X 1/2", Baby Blue Rhinestones Bling cat collar with elastic break-away and bell as safety features. Made of very soft genuine cowhide leather. Perfect for cats with neck size: 6.5" - 8.5" Your cat will make a serious impression with these gorgeous genuine Rhinestones Bling leather collars. The most light weight, comfortable and affordable collars for cats.