100% Non-Woven Imported Breathable Light weight Non-Woven Fiber, Protection against dirt, grime, light fluid spray, powder contaminants and particle barrier. Elsatic closure on both ends of the Covers stretch up to 8-9 inches 15 Inch Long covers all of the forarm just around the elbow This is NOT made of cheap plastic covers which gives you a baggy feel, this arm cover is reuseble, washble, if you want to toss it, it doesn't cost that much either This sleeve cover can be wear on top of cloth, bare arm, over thick coat, no problem, designed for many application household cleaning, dishwashing, hair salon, food service, garden, painting, tattoo etc. beauty and tatoo, engineering, automotive, electronic repair, arts and crafts, spray painting, handling powders, processing packing food.