TFCEvents.data(event => {
    event.itemSize('sophisticatedbackpacks:backpack', 'very_large', 'very_heavy')
    event.itemSize('sophisticatedbackpacks:copper_backpack', 'very_large', 'very_heavy')
    event.itemSize('sophisticatedbackpacks:iron_backpack', 'very_large', 'very_heavy')
    event.itemSize('sophisticatedbackpacks:gold_backpack', 'very_large', 'very_heavy')
    event.itemSize('sophisticatedbackpacks:diamond_backpack', 'very_large', 'very_heavy')
    event.itemSize('sophisticatedbackpacks:netherite_backpack', 'very_large', 'very_heavy')

})