We call this type blue sushi box Phosphorescent blue, dragon beard blue, which is popular in high end Japanese restaurant eating house and reastaurant to go sushi packaging .Compare with tradictional classical black/gold leaf /gold so on color , it look very fashion and special .Shape in rectangular ,design in wave,color in blue mix brown line.What is more important , it can bulit brand image and attract more people because of it's heighten anti fog lid .There are some advantage of heighter anti fog lid :1.sushi not easy contact lid ,people can check inside clearly .2.change visual effect ,increase order desire from people . 
sushi box blue is Sunzza spcecial customized item , if you have any idea or custom disposable sushi box ,Welcome contact Sunzza for more detail  ,after all ,it with professinal design team and rich production experience more than 10 years,also competitive price and fast delivery time  !