Cute small donation box measures 5.91*5.91*5.91”, sure to get attention! Use on desk top, mobile, or mount on a wall at your establishment. Made from steel, powder coated red. Front clear window size is 4.96*3.86". Window is made of clear acrylic material 3mm in thickness. Sealed with aquarium silicone. Allow you observe content inside and determine if its time to open the box, or how far along you are toward your fund raising goals. Top open with lock, comes with 2 keys. Multiple units buyers, keys are keyed alike for ease of management for multiple units buyers. If you need unique keys, please contact us. We stock key blanks you can order for duplication at your local locksmith. Or you can purchase a new lock with 2 keys at affordable price from us. Top drop slot measure 3.74*0.2". Side pocket measures W2.95*H2.73*D0.61", great to store cards pen papers etc. This is a great small suggestion box for schools, churches, events, tradeshows, or private fundraising efforts.