23 cm x 25 cm x 10 cm backpack made of Polyester.Two side mesh pockets to store a bottle of water, an umbrella, or any other small accessory.Wide, ergonomic and padded shoulder straps that adapt perfectly to the back and the possibility of incorporating an optional trolley thanks to the Magic Fix system that allows greater attachment of the backpack to the trolley.Includes a small pacifier holder that clips to the backpack, perfect for carrying small accessories.With identification tag to write the name on the back.