These high-quality dog collars are made of durable, lightweight fabric - perfect for a playdate at the dog park. They are also machine washable and quick to air dry. The YKK quick-release buckles are ergonomically designed & contoured to fit your pet and can withstand up to 600 pounds of pressure. The double-coated, nickel-plated steel hardware is tarnish & scratch resistant. The specially designed Jacquard woven collars are petro-chemical free and made from 100% certified recycled plastics. A wonderful, durable collar made for the most playful of pups!