Kapelis Packaging provides premade PP bags for a variety of applications:

Envelope PP bags, ‘simple’ or perforated, most often used in bread or agricultural products. They can be heat-sealed or just clipped.

High quality premade PP bags in a variety of shapes such as triangular, square with or without gusset, with or without square bottom (block bottom, cross bottom) even with a double gusset (diamond bags). They are proposed for an array of products such as sweets, confectionery, other patisserie products even gifts. They can be heat-sealed, clipped, tied up with a ribbon, etc.