Safe Skies TSA Padlocks are the only brand of security compliant Pad Locks protected by US patents 7,021,537 and 7,036,728 * Rust-proof brass TSA padlock - durable! * Weight material: 2 oz (56 g) Dimensions: 1 x 2 x 0.5 in. (25 x 50 x 12 mm) * Each Safe SkiesTM brass padlock comes with 2 keys. * No combination to remember!!