This 99-piece set of vinyl block lettering is ideal for indoor or outdoor use. Convenient and easy to use, this lettering is easy to apply and makes for professional looking lettering. Comes with both letters and numbers. Can be used on water resistant and non-water resistant surfaces. Use for lettering tool boxes, computers, lockers, garage items, and even for lettering on cars and other vehicles. Comes packaged in a hanging poly bag with butterfly hole. Letters measure 2 1/4" x 1".