Material: Cowhide paper covered with BOPP film Style: Square bottom bag, long back strip, open window Printing: Using environmentally friendly water-based ink, can be printed in 1-6 colors using flexographic printing Advantages: Has a visible window, the back strip can be folded repeatedly, fully automatic square bottom bag making machine, reliable and stable quality; flexographic printing, more exquisite, more environmentally friendly. Application range: Packaging snacks/nuts Made from high-quality environmentally friendly materials, excellent sealing; can be used to pack various unfinished small snacks, avoiding moisture and waste. Packaging tea and other tea products Safe and healthy, excellent sealing; prevents dried tea from becoming damp and deteriorating, always keeping the tea fresh. Packaging grains and miscellaneous grains Made from high-quality environmentally friendly materials, excellent sealing; can be used to pack grains and miscellaneous grains, preventing mold, moisture, insects, and occupying small space.