This is a blue nylon casual backpack from Branshes, designed for easy use with an outer pocket. It's a size S. I used it for children aged approximately 1 to 3 years old. I used it for carrying a one-year-old's rice cake (issho-mochi) and for travel. - Brand: BRANSH - Color: Blue - Material: Nylon - Number of pockets: 1 outer pocket - Interior design: Simple interior - Style: Casual Thank you for looking.