The present invention relates to a condom with an improved form. Particularly, the present invention relates to a multilayer condom which has an enhanced contraceptive function and an enhanced function of preventing venereal diseases by allowing the detection of damages in the condom in advance. The condom comprises: an external surface an inner surface and a separate space positioned between the external surface and the inner surface, and filled with a discoloring agent which changes color.COPYRIGHT KIPO 2016본 발명은 개량형 콘돔에 관한 것으로, 특히 콘돔이 손상되었을 때 이를 조기에 감지하여 피임기능과 성병 방지기능을 향상시킨 다층형 콘돔에 관한 것이다.
