The Kazoo collars leads harnesses and tethering products are manufactured using the finest nylon webbing. Nickle plated metal and plastic hardware. The Kazoo Classic Harness Slate has everything you love about a basic dog harness with the added personalization and durable hardware. Superior hold but is also super soft to the touch with the highest quality nylon. Finest nylon webbing Nickle plated metal and plastic hardware Durable Superior hold and super soft to the touch