The Ergo Wedge was designed to prop your telephone, calculator, or keyboard up at a better angle. Unlike plastic or wooden wedges, the Ergo Wedges are designed from a high density foam to reduce pressure, slippage, and tipping. The Ergo Wedge?s naturally malleable surface grips your equipment in place so it doesn?t slip off. And because it is made from foam you don't have to worry about your equipment tipping or rocking like you do with wooden or plastic wedges. Foam products help to create a spring-like effect that can help reduce fatigue by absorbing excessive pressure. Using a foam wedge instead of hard wedges provides a bit of cushion beneath your products. Therefore, reducing the blunt impact on your hands, fingers, and wrists. Don't limit your Ergo Wedge's use to only office equipment. You can use Ergo Wedges to angle papers, books, and even crafts to create a better line of sight. Stop leaning and straining your eyes to see what you are working on. Ergo Wedges are great for photographers to prop up small and medium size products. Let the Ergo Wedge put your life back in a better angle. This product is an uncovered piece of foam. The naturally gripping surface of the polyurethane foam grips the appliance without the need of a cover.