Realizing that many of our dogs spend a lot of time 'roughing it' on mountain trails and in rivers, a tail we could wag has created a great looking collar with all the durability and practicality an owner could hope for. Each tail waggin' collar and lead is 100% colorfast making them machine washable. (Hang dry, please.) Our side release buckles are the best we could find, adding to their strength while making them easy to put on and take off. Combined with our premium nylon webbing and solid brass hardware, these collars and leads stand up to an ocean of wear. We guarantee it! The solid brass finish won't ever rust or chip, helping to keep your dog looking smart... like a good dog should. small - 11-15" medium - 14-20" large - 18-25" xlarge - 23-30"