The Holo-Back backpack is an Rare Fortnite backpack. Holo-Back was available via the Item Shop for 400 V-Bucks and you can buy it from Fortnite Item Shop when it will listed.
Fortnite Holo-Back Backpack Details
Holographic self-expression.
Fortnite Holo-Back Backpack PNG Images
Here is the PNG images of Holo-Back below!