Backpacks are great and often pretty big but how about a Tardis knapsack.
This Doctor Who knapsack is Tardis blue and has the doors design with on the top flap the sign that says “Police Public Call Box” and below that on the main compartment yo can see the windows and then there are two little pockets that show the door signs.
This Doctor Who backpack is 14 inch tall and made from 100% polyester so it’s strong and maybe even bigger on the inside.
And yes this Doctor Who Tardis backpack has adjustable straps to be just the perfect size for you.
Get on you next adventure and take this Doctor Who Tardis Knapsack.