Master Lock 5900D Travel Safe, Gray Combination Lock Box with 4-Digit Code and Cable

The Master Lock 5900D is a portable personal travel safe designed to help secure small valuables, with a four-digit combination lock and an included cable for anchoring it to a fixed object.

• Exterior size: 2-1/4 x 9-17/32 x 4-59/64 in (57.2 x 242.1 x 125 mm) — compare its footprint with your intended storage space.
• Interior size: 1-1/4 x 8-1/8 x 3-1/2 in (31.8 x 206.4 x 88.9 mm) — helps you assess whether your belongings will fit.
• Shock-absorbing foam and water-resistant design — adds cushioning and water resistance for everyday use.
• Earbud and charging-cable access port — lets you connect compatible cables while the safe is locked.
• Limited Lifetime Warranty — provides manufacturer-backed coverage for the safe.

When you need a more secure place for personal essentials at the beach, on a trip, on campus, at the office, or during leisure activities, this compact lock box is made to travel with you. Its size is suited to items such as a smartphone, passport, cash, and credit cards. Use the interior measurements above to compare the space with the items you plan to store.

What can the Master Lock 5900D travel safe hold?

The Master Lock 5900D is designed for small personal belongings, including smartphones, passports, cash, and credit cards. It is intended for recreation, campus, office, travel, and leisure settings, where keeping these essentials together and secured is useful. Its compact interior gives you a concrete fit reference before packing.

• Made for personal items rather than bulky belongings.
• Suitable for use as a travel safe or personal safe.

How do the combination lock and security cable work?

The Master Lock 5900D uses a combination you set yourself, with four digits, and includes a cable that can be looped around a fixed object. The cable can also serve as a carrying handle, giving you two ways to use the included attachment. The safe is designed to help protect its contents from theft; the cable provides an option to secure it in place.

• Set your own four-digit combination.
• Wrap the included cable around a fixed object when you want to anchor the safe.

Can you listen to music or charge a device while it is locked?

Yes. The Master Lock 5900D has an access port for earbuds or a charging cable, so you can connect a device while it remains inside the locked safe. The port is intended for these cable connections; the design is also water-resistant and uses shock-absorbing foam inside.

• Use the port for earbuds or a charging cable.
• The safe has a Limited Lifetime Warranty from Master Lock.

The Master Lock 5900D suits travelers, students, office users, and people taking part in leisure activities who want a portable place for small valuables. Its four-digit set-your-own combination, included anchoring cable, and defined interior dimensions make it a compact option for securing everyday personal essentials.