OmniPet Kool Kat Elastic Cat Safety Collar Bell, Black, 10" All-elastic, stretchy woven nylon collars outfit your cat in safety and convenience Stretch Weave design helps release collar from your cat's neck should she get caught in or on an object 3/8" thick, and in three lengths that you can buckle anywhere for the perfect fit Elasticized to expand and release your cat if entangled All collars include bell matching colored bell