Simple and classic, the Hillman 3 in. Reflective Black Vinyl Self-Adhesive Number 5 is perfect for use on a mailbox or your home. Each number features a durable, weather-resistant vinyl construction with a reflective finish for enhanced night-time visibility. Easy to apply with a strong self-adhesive backing, they provide a secure hold without the need for tools. Each case includes 3 pieces of the same number.