Designer&#39;s Novelty Glow Spikes Snag-Proof Safety Small Breed Dog/Cat Collar - Fiesta Blue, XS Measures approx. 8"-11" L x 3/8" W, fits most Small Breed Dogs, Puppies, Cats and Kittens Does Not Retain Dirt, Absorb Moisture or Harbor Bacteria Non-Toxic, No Harm to Chewers - Perfect for pets that like to chew Snag-proof safety elastic strap - allows the collar to expand if it gets caught so your pet can safely slip out Rubberized little spikes glow in the dark for novelty