SmudgeGuard2 (Medium) Keeps the side of your hand clean from unwanted smudges! No more sweaty hand smudges on your tablet! Eliminates hand friction! Your hand will glide easily across paper and tablets! SmudgeGuard is well-made with the highest quality! Made of 87% Nylon and 13% Spandex, Snug, Flexible, Durable, Washable, Breathable, Lightweight, Comfortable, Portable, Easy to use, For Male or Female, interchangeable for both lefties & righties. Great for home, school or office too! Children & Adults can use it for writing, drawing and sketching!