Sturdy 600 Denier nylon construction. Perfect for trainers and exercise bikes. Fits iPad and most tablets - use mini version for Ipad mini and smaller sizes. Protective cover keeps sweat away from your valuable electronics. 3 mounting straps on the rear fit a variety of applications. Rotates while mounted. Mounts in landscape or portrait view. Great for maps. Also works great on the back of head rests in the car for the kids