SOS bags for grocery stores are designed for fast counter packing and convenient handling across a broad mix of retail food products. At Lanfon Hwakon, we develop SOS bags for grocery stores for bakery products, snacks, dry foods, packaged groceries, small produce purchases, and other suitable items. The self-opening sack structure and stable bottom allow staff to stand the bag on a counter and load products efficiently during busy store operations. Different grocery departments may require different dimensions, so width, gusset, height, paper appearance, and printing can be customized according to product mix. We consider shelf or counter storage, staff access, bag capacity, product combinations, carrying, and checkout workflow when developing SOS bags for grocery stores. The goal is to create practical bag sizes for actual store operations rather than relying on a single generic paper bag for all departments.