Are you asking where the Gourmet Little Master prop backpack is? The upper right corner of the game interface.
The props in "Food Master" are stored in the backpack. The backpack is in the blue icon in the upper right corner of the game's main interface. Click on the icon to find the backpack option.
"Food Master" is a simulation business game with food as the theme. The game interface uses cartoon characters. Gain customer satisfaction based on your dishes and use gold coins to upgrade the restaurant.