Nylon. The buckle is closed.Wet wipe it off.Heavy duty design and multiple matches This belt comes with a buckle made of heavy duty metal. If you're an outdoor enthusiast, this would be a great choice to pair perfectly with your pants, overalls, work jeans, and any other pants. Belt details 49 inches (125 cm), width: 1.5 inches (3.8 cm), suitable for waist size up to 36-42 inches. Buckle size: 2 "wide, 5/16" thick. Each tactical belt weighs just 0.44 pounds. If this is the right size for you, you can tie it completely at the waist. Premium Nylon Belt This tactical belt is made from a wear-resistant nylon webbing material that is more durable, breathable and dries quickly. Infinitely adjustable, perfectly fitted, does not loosen on its own, keeping the pants upright. Our tactical belts are not only suitable for your everyday use, but can also be given as gifts to your family and friends. .Quick release button When you press the button at the same time, you can realize intuitive and smooth quick release function. If only one pull ring is engaged, the connection remains and fully relocks itself. Therefore, it is very flexible for your waist.