Playpen with bottom securing structure

A playpen comprising:

• a frame;
• a cloth enclosure mounted on the frame and having an interior provided with a movement space;
• and
• a protective cushion mounted in the movement space of the cloth enclosure;
• wherein:
• the protective cushion includes at least one upper covering layer secured on the cloth enclosure, and a cushion body mounted between the at least one upper covering layer and the cloth enclosure;
• the at least one upper covering layer is located at a bottom of the movement space;
• a receiving space is defined between the at least one upper covering layer and an inner side of the cloth enclosure;
• and
• the cushion body is mounted in the receiving space,
• wherein:
• the cloth enclosure includes a side part and a bottom part secured on a lower portion of the side part,
• the at least one upper covering layer of the protective cushion is secured with the side part and the bottom part of the cloth enclosure, and the receiving space is defined between the at least one upper covering layer and the bottom part of the cloth enclosure, and
• the at least one upper covering layer of the protective cushion includes at least two free ends and at least two connecting members mounted on the at least two free ends;
• the at least two connecting members are connected with each other;
• wherein:
• when the at least two connecting members are connected with each other, the at least two free ends are closed;
• and
• when the at least two connecting members are detached from each other, the at least two free ends are opened, and the cushion body is removed from between the at least two free ends.