ScratchSleeves are also effective for all sorts of scratching and irritation including chicken pox, cradle cap, ear pulling, overly enthusiastic thumb sucking, nail-biting and even hair pulling. Can be used day or night and worn over or under regular clothing. Natural silk mitts protect delicate skin from even the most vigorous scratching. Loose fitting, 100% cotton sleeves ensure kids stay cool and sensitive skin is not irritated. Effective Scratch Mitts designed specifically for older babies and children, available in sizes from birth to 8 years.