Abstract: An ink includes the following ingredients by weight: pigment: 5 to 10 wt %; dispersant: 1 to 5 wt %; photoinitiator: 5 to 8 wt %; monofunctional reactive monomer 10 to 15 wt %; multifunctional reactive monomer: 25 to 40 wt %; acrylic resin: 20 to 35 wt %; coupling agent: 2 to 5 wt %; defoamer: 0.1 to 1 wt %; and leveling agent: 0.1 to 1 wt %. The ink according to this application can concurrently meet various performance requirements such as deep curing, high adhesion, high resistance to abrasion and perspiration, and ease of correction.

Abstract: Provided is a luggage lock including a zipper tab and a lock body. The lock body includes a housing, a lock hook mechanism and a drive mechanism. The housing is provided with at least one lock hole capable of being in fit with the zipper tab. The lock hook mechanism is disposed in the housing and includes a snap hook assembly, the snap hook assembly is movable between a locking position and an unlocking position, the locking position is aligned with one lock hole, and the unlocking position is located outside the one lock hole. The drive mechanism is disposed in the housing and is capable of driving the snap hook assembly to move between the locking position and the unlocking position.