Prime White Cash Drop Box Safe, 5mm, Rectangular

This kind of safe has a small slot for envelopes or papers to be dropped in through, but can only be accessed through a secure door Drop safe boxes are ideal

Business & Drop Safes · Garvee Business Safe and Lock Box with Digital Keypad, Drop Slot Safes with Front Load Drop Box for Money and Mail, Business

commercial slot car track Drop Slot Deposit Safe; Theft protection; Programmable digital lock with time delay; 3 live-locking bolts; Bolt-down hardware included; Capacity 27 liters

commercial mail slot Fireproof Depository Safe with Drop Slot, Electronic Anti-Theft Drop Safe for Business with Programmable Numeric Keypad Lock and Spare Keys, Cash Drop Safe Box