EzyDog Neo Classic Wide Dog Collar OUR CLASSIC WIDE WATERPROOF COLLAR: A beefy 1.75 inches wide and made with soft polyester and Neoprene rubber that retains less stink than traditional collars, the NEO CLASSIC WIDE is fast-drying and easy to clean, durable, and comfortable. BUILT-IN ID CLIP & STAINLESS-STEEL D-RING: We've included a separate built-in ID Clip to securely attach your dog's tags. Plus, every NEO collar features a strong rugged Stainless-Steel D-ring for leash attachment. QUICK RELEASE BUCKLES & ONE TIME FIT SYSTEM: The NEO is fast and easy to get on and off thanks to the durable Quick Release Buckle. Plus, our easy One Time Velcro Sizing System means you fit it once then it's just a simple snap to get on and off. INTEGRATED REFLECTIVE PIPING FOR NIGHT SAFETY: Integrated Reflective Piping means greater visibility in low light CONDITIONS and increased nighttime safety for you and your dog. SIZED TO FIT YOUR DOG PERFECTLY: LARGE fits dogs with 18" to 21" necks, X-LARGE fits 21" to 24" necks, 2X-LARGE fits 24.5 to 28.5 necks, and 3X-LARGE fits 28.5 to 32 necks.