主权项 |
1. A bag formed of plastic film material, the bag having a first side panel, a second side panel, a back gusset extending between the first and second side panels, and a bottom gusset extending between the first and second side panels, margins at front and top edges of the first side panel joining margins at front and top edges of the second side panel at a first seam, a bottom margin of the back gusset joining a rear margin of the bottom gusset at a second seam, the back gusset terminating at a top, rear part of the first seam, the bottom gusset terminating at a bottom, front part of the first seam. |