The product is a set of keyless TSA approved luggage locks, featuring a combination lock design with card keys. This 4 pack of D-shaped locks is made of metal and has a slim profile, making it convenient for travel luggage. The package dimensions are 10.75 x 6.93 x 0.59 inches and each lock weighs 8.8 ounces. With a special feature of controlled through an app, these luggage locks provide a secure and easy way to protect your belongings while traveling.