Our Coastal Pet No Slip® Personalized Dog Collar is excellent for dogs that easily slip a collar (i.e. Greyhounds, Dachshunds, etc.). So if your dog likes to imitate Houdini, this collar will put a hold on his or her visions of becoming the next greatest escape artist. The unique limited closure prevents the collar from becoming too tight, ensuring safety. Get peace of mind and fun fashion with a personalized collar. Collar is manufactured from the highest quality nylon to meet rigorous standards and ensure product consistency. The nylon used in this dog collar is specially processed to prevent fraying and increase the strength. This collar is carefully and neatly finished for the best look and durability. Size Recommendations: 5/8" width nylon collars are perfect for small and medium dogs. 3/4" width nylon collars are best suited for medium or average size dogs. 1" width nylon collars are primarily intended for large dogs.