As the name implies, a computer bag is perfect for carrying your laptop. If you are at all concerned about the material, this model is made from polyester.
From Amazon
Samsonite Guardit 2.0 - Laptop Backpack 15.6", 44 cm, 22.5 L, Black (Black)
ShopBetter24
Laptop Backpack Samsonite Guardit 2.0 Black 20 x 30 x 44 cm
Shopaide
Laptop Backpack Samsonite Guardit 2.0 Black 20 x 30 x 44 cm