The InfoTube® patented design was voted Product of the Year by ‘Sign of the Times’ Magazine! The #1 choice of real estate professionals since 1988. This product is designed for simple, straightforward function. It is easy to use, looks good and keeps 20-30 sheets of information dry. Smart Features: - Mounts to the top, side or bottom of any sign - Clear, PVC body lets you see when it's empty - Red end caps - ‘INFOTUBE' imprint invites interest - Can be customized to suit your needs Includes mounting hardware; sample graphics; home selling tips.