The number 39 and 40 on the Puma shoe box represent the shoe size. According to relevant information, sizes 39 and 40 represent shoe sizes and are necessary. Without shoe sizes, customers and consumers can't better choose their own shoe sizes. Referring to the German sports brand PUMA, PUMA put forward a brand-new brand slogan ForeverFaster, designed and provided professional sports equipment, and the products involved in running, football, golf and even racing.