General description Made of durable aluminum alloy, this small lockable proposal box is designed for various uses including as a suggestion box, mailbox, or donation box. Its compact size makes it suitable for home, corporate offices, or official institutions, and it can hold a variety of envelopes, documents, and magazines. The box is easy to install and comes in a sleek gray color. Technical specifications Material: Aluminum alloy + MDF Color: Gray Measurement allowed error: +/- 1-3 cm Package Contents 1 x Opinion box 2 x Key Other information