Container

A container comprising:

• a containing portion that accommodates contents;
• and a container main body that is composed of a main-body forming sheet member in which a plurality of film layers are laminated, and that surrounds the containing portion, wherein
• the container main body comprises a first surface portion, a second surface portion that is arranged so as to face the first surface portion with the containing portion being arranged therebetween, and a gusset portion that connects the first surface portion and the second surface portion to each other;
• the gusset portion is provided with a discharge port that discharges the contents from the containing portion;
• and
• the main-body forming sheet member comprises a main-body sealing portion in which the plurality of film layers are attached to each other, and a non-attached region in which the plurality of film layers are partially non-attached to each other, and also comprises a filling portion in which a filler can be enclosed between layers of the plurality of film layers in the non-attached region;
• the filling portion comprises a gusset portion filling portion that is arranged in the gusset portion;
• and
• the container main body comprises:
• a gusset portion peripheral edge sealing piece that comprises a first surface portion side sealing piece that includes an attached portion between a peripheral edge portion of the gusset portion and a peripheral edge portion of the first surface portion, and a second surface portion side sealing piece that includes an attached portion between a peripheral edge portion of the gusset portion and a peripheral edge portion of the second surface portion, and
• a pair of lateral sealing pieces that include an attached portion between the peripheral edge portion of the first surface portion and the peripheral edge portion of the second surface portion, wherein
• the gusset portion filling portion includes an inner edge on a side close to the discharge port, and extends downward from the inner edge toward an intersection point of the first surface portion side sealing piece, the second surface portion side sealing piece, and the lateral sealing piece.