A large handheld inkjet printer provides a convenient solution for durable product marking in manufacturing and packaging environments. Its portable construction allows users to print directly onto products, cartons, boxes, containers, and other suitable surfaces without moving large items to a fixed printing station. Clear permanent prints can help improve product traceability and identification throughout storage and distribution. Businesses can use this printer for batch codes, serial numbers, dates, logos, short messages, and product information. The handheld format is especially useful when printing different-sized products or working across multiple locations. It can help reduce the need for manual labeling while providing professional-looking marks for everyday industrial and commercial applications.