Clear acrylic box, hinged lid, open slot, and cam lock-1/4" thick material. Handcrafted out of quality clear acrylic material. Secure your customers suggestions and feed back in retail shops. Ideal for votes, raffles, giveaways, suggestions, donation collections, and petitions. Can be further customized to be permanently placed on a wall or base. Changing the placement of slot is also offered. In house laser and UV engraving available.