The Thunder Grip Outdoor Non-Slip Stair Treads are a durable and practical solution for outdoor stairs. Made from PVC material, these solid black treads are designed to be water-resistant and feature a non-slip surface for added safety. With each tread measuring 30 inches in length and 8 inches in width, this 8-pack ensures a secure grip on your stairs, providing peace of mind for both you and your guests. Perfect for adding a touch of style and functionality to your outdoor space.