Packed Up (Backpacks) - Minecraft Mods - CurseForge
Adventure Backpack - Minecraft Mods - CurseForge
Simply Backpacks - Minecraft Mods - CurseForge
Cammie's Wearable Backpacks 2 has Just Released for 1.17.1! With an All New Backpack GUI, Some Much-Needed Quality of Life Changes, and More! Now available on CurseForge & Modrinth! (Download In Comments) :