Durable, clear construction: made of sturdy, fully transparent acrylic material for strength and easy viewing of contents Keyed entry: locked box requires a key to open (opens from the bottom); set of 2 keys are included Top access: the open slot on top measures just under 10 cm wide and 1.27 cm deep Versatile: can be used for collecting voting ballots, service tips, fundraiser donations, workplace suggestions and more