VELCRO Brand - Industrial Strength | Indoor & Outdoor Use | Superior Holding Power on Smooth Surfaces | Size 4in x 2in | Strips, Black - Pack of 4 The original Hook and Loop Fastener. Easy to use, durable and strong! Great for Heavy Duty applications Professional grade adhesive. Unmatched versatility. Ultimate tool for organization, mounting, hanging, storing and much more. Our tape will adhere to almost all surfaces! It is even water resistant. Use it indoor and outdoor. This Industrial Strength Sticky Back tape is designed for tough applications. Stronger adhesive, longer lasting and more durable than other brands Perfect for around the house and garage! Unlimited possibilities for organization, mounting and crafts/crafting