Based on this product's specifications, here are some alternatives and similar models
Backpack Santoro small 'An Apple A Day' blue-red, model 252848
Summary description:
Small Santoro backpack 'An Apple A Day' (model 252848) in blue and red. Compact everyday backpack designed for light daily use, featuring themed artwork from the 'An Apple A Day' collection. Suitable for carrying personal items, small books, stationery and a water bottle. Practical for school, short trips, commuting and casual outings.