Adir Customizable Wood Suggestion Box - Grey - with 25 Suggestion Cards DURABLE CONSTRUCTION. To supply long-lasting strength and use throughout the years, this suggestion box is expertly made using high-quality, Camphor wood. A transparent, plexiglass message display window supplies added durability, while allowing a clear, unobstructed view of your message. CONVENIENT DESIGN. This box features two carved-in holes to store pens, as well as a slot for holding suggestion cards. A deposit slot measuring 5 in length x  wide allows a convenient and safe place to drop items into the box. VERSATILE USE. This box can be used for employees or customers to make suggestions or comments about the company or the service they have received. It can also be used as an after-hours key drop in a rental facility, dealership or mechanic shop, or a convenient, express checkout in hotels. Preprinted stickers for each of these services are included with your purchase. VARIETY OF COLOR OPTIONS. To accommodate everyones taste, this product is available in mahogany, blue, red, green, gray and yellow. This allows you to easily complement your taste, interior design or company colors. SECURE LOCK. Keeping everything safe and confidential, the box is outfitted with a secure lock. Two keys are included for quick and easy access inside.