Package Standard, without valve

A standard package is a folded rectangle of film with a thermal seam on the sides of the package. Packages are made of various types of materials: PP, CPP, BOPP (BOPP) LDPE, of various thicknesses and can be supplemented with many options. The seams of the package can be of two types of straight (standard) and with the addition of reinforcing perforation (usually used for packages of BOPP film). round holes can be applied to the bag for ventilation, usually 6 mm in diameter, as well as any width along your task.