Handheld inkjet printer can be used for marking compatible glass bottles and containers with suitable fast-drying ink. Businesses can print batch numbers, production dates, expiry information, product codes, logos, or other identification details directly onto the surface. The portable design is useful for small production facilities, beverage packaging operations, laboratories, cosmetic manufacturers, and specialty-product businesses. Operators can bring the printer to bottles of different sizes rather than relying exclusively on fixed equipment. Choosing an ink formulated for glass is essential for proper adhesion and durability. The solution provides flexible coding for businesses that need variable information on individual containers.