10 Best Backpack Locks 2025 in the United States

The TSA Approved Cable Luggage Locks by Forge offer a durable and flexible solution for securing your belongings during travel. Made from a sturdy alloy material, these locks are designed to withstand significant wear and tear, and they come with a lifetime guarantee. The lock features a re-settable, easy-to-use 3-digit combination mechanism, ensuring that you can set and change your personal code as needed without hassle.

The cable design of the lock is particularly advantageous, allowing it to thread through various zipper sizes and lock holes, thus providing greater flexibility than traditional shackle locks. With dimensions of 6.1 x 3.7 x 0.1 inches and a weight of 4.8 ounces, the locks are lightweight and compact, making them convenient to carry. An added security feature ensures that TSA agents must relock the lock after inspection, giving peace of mind that your luggage will not be left unsecured.

These locks might be overkill for casual travelers and may be more suited to frequent flyers who need reliable, heavy-duty security. Additionally, while the design is robust, the cable's thinness could potentially be a drawback in extremely high-risk theft areas. These locks are ideal for travelers who prioritize security and durability, and who need a lock that can adapt to various baggage requirements.

The Master Lock Black Combination Padlock is designed primarily for securing luggage, backpacks, and cabinets, making it a good choice for travelers and students. It features a customizable three-digit combination, allowing for keyless convenience, which is easy to set up and use. The lock is made from solid metal with a black finish and has a steel shackle that offers decent cut resistance, enhancing its security.

At just 2.82 ounces and with dimensions of 0.56 x 1.2 x 2.86 inches, the padlock is compact and lightweight, ideal for portability and use on the go. The shackle thickness is 3/16 inches, which is adequate for basic security needs but might not withstand heavier tampering attempts. One of the notable strengths is the ability to reset the combination, providing flexibility and personalization.

However, it is important to note that this lock is not TSA-approved, which might be a drawback for frequent air travelers who need to comply with airport security regulations. Additionally, while the lock offers cut resistance, it may not be suitable for high-security situations where more robust protection is required. This padlock is a convenient and effective option for everyday use on backpacks and luggage, but it may not be suitable for high-security needs or TSA-compliant travel.

The SURE LOCK TSA Compatible Travel Luggage Locks come in a 2-pack and are designed to provide robust security for your luggage during travel. These locks stand out due to their ultra-durable alloy body, which withstands harsh baggage handling and ensures longevity. The hardened stainless steel internal mechanisms prevent rust or freezing, making them reliable for prolonged use.

One of the notable features is the inspection indicator that pops up if the TSA has inspected your luggage, allowing you to check your belongings immediately upon arrival at the airport. This feature offers peace of mind, as you can address any issues before reaching your final destination. The combination setting mechanism is straightforward and user-friendly, allowing you to set and reset your combination with ease. The high-contrast dials with white numerals on a black background enhance readability, which is convenient for users who may struggle with tiny or unclear digits.

The flexible cable design makes these locks versatile, accommodating various types of luggage, including Pelican cases, gun cases, and equipment cases. The cable measures an ideal length for securing your belongings effectively. The product’s country of origin is China, which may be a consideration for some users. These locks are best suited for travelers seeking durable, easy-to-use, and versatile luggage locks that provide security and peace of mind during their journeys.