Abstract: A suitcase includes two generally rectangular housing halves, two U-shaped rubber strips, and a zipper unit. Each of the housing halves has first, second, third and fourth sides. The housing halves are interconnected rotatably at the first sides. Each of the rubber strips has an inner side, and an outer side that is fastened to a respective one of the housing halves and that extends along the second, third and fourth sides of the respective one of the housing halves. The zipper unit includes two interengaged zipper halves that are fastened respectively to the rubber strips, and that are covered by the rubber strips, respectively.

Abstract: A buckle joint includes a clasp member, a catch member, a latch member, and an urging member. The clasp member has a stud with an outer periphery formed with an annular groove. The catch member has a first through-hole, a first tongue portion projecting into the first through-hole, and a recess. The stud projects into the first through-hole. The first tongue portion engages releasably the annular groove. The latch member is mounted slidably in the recess, and has a second tongue portion projecting into the first through-hole for engaging releasably the annular groove. The latch member is slidable into and out of the first through-hole from the recess between a locking position, in which the second tongue portion engages the annular groove, and an unlocking position, in which the second tongue portion disengages the annular groove. The urging member is mounted in the recess for urging the latch member to move to the locking position.