Buckle

A buckle comprising:

• a male member including an inserting piece, a female member including an insertion port and a cover body storing the female member therein, wherein:
• in the male member, the inserting piece has a pair of concave engaged parts;
• the female member is formed of one elastic metal wire and has a base, a pair of arms that are bent and extend from respective ends of the base, a pair of bent parts provided in the middle of the respective arms, and a pair of engaging parts provided at respective front ends of the pair of arms;
• the cover body has a cover main body, an insertion hole into which the inserting piece of the male member can be inserted, a storage part that communicates with the insertion hole and stores the female member therein, and operating parts that can press the pair of respective bent parts inward from the outside of the cover body;
• and
• the engaged parts of the inserting piece can be engaged or disengaged with the pair of respective engaging parts, as a distance between the pair of arms is widened or narrowed due to elastic deformation, and the operating parts are pressed to release engagement between the pair of engaged parts and the pair of engaging parts.