Get your packaging strategically sourced to lower your General transport charges and lower your carbon footprint. The main refrigerators were tested inside the 1910s. Meanwhile, the inventor from the milk carton (warning: this title is disputed by about a million persons) took out his patent in 1915. Expense per piece https://dairycartonsustainability.fashion.blog/2025/01/09/the-impact-of-gable-top-cartons-on-sustainable-packaging-in-various-industries/