Abstract: A buckle, operating between a locked position and a released position, comprising a male buckle member having a plurality of locking members, and a female buckle member. The female buckle member includes a housing, a plurality of engaging portions formed on the housing for engaging with the locking members, a latch member slidably disposed in the housing for preventing the locking members from disengaging with the engaging portions in the locked position, and a bias device connecting the latch member to the housing for biasing said latch member against the locking member in the locked position.