The Crystal Glass Nail File is a good alternative to other common nail files we are used to. Lovely Sakura flowers design expresses the idea of showing love for our nails. Lightly textured tempered glass surface for gentile filing of the nail. Easy to use, simply move file in one direction. Do not move file back and forth and do not apply a lot of pressure. Easy to clean with water, gently pat with towel and air dry. Do not drop, since the nail file is glass it will break. Comes with black velvet storage sleeve.