WITH 3 SIZES, it's easy to choose the correct size splint when experiencing changes in finger size;TREATS over 6 different CONDITIONS depending on how it's worn on the finger;Protect MALLET finger, TRIGGER finger/thumb, straighten CROOKED fingers, limit HYPERMOBILITY & more;LIGHTWEIGHT splints feature wide bands and rounded edges for comfortable all day or night wear;NO TAPE or STRAPS needed and they're WATERPROOF so you can wash your hands or shower with them on