Simply create it, drop it on the floor, hold shift, and right-click it with an empty hand.
The useful Traveler’s Backpack gives around 45 additional inventory spaces, including tanks to keep liquids. You soon discover that with this backpack, you can carry more than ever before! You continue adventuring and eventually reach the end of the world. With your new backpack, you explore the world and find all kinds of treasures. This is an excellent alternative to storage. The Traveler’s Backpack mod bags can provide about 45 cargo boxes and 2 liquid containers, each of which can hold up to 4 buckets of liquid or even 16 bottles of medicine. When you own many mods and other items, you will need a backpack that can store and can be carried.
These backpacks can be considered unofficial ports. Traveler’s Backpack Mod is a unique Minecraft Mod that helps you create more backpacks to hold more items.