diff --git a/kubejs/server_scripts/main_server_script.js b/kubejs/server_scripts/main_server_script.js
index 15d4d8c0c..412b0ca10 100644
--- a/kubejs/server_scripts/main_server_script.js
+++ b/kubejs/server_scripts/main_server_script.js
@@ -126,8 +126,10 @@ TFCEvents.data(event => {
     registerTFCDataForChalk(event);
     registerTFCDataForGTCEU(event)
     registerTFCDataForImmersiveAircraft(event);
+    registerTFCDataForSophisticatedBackpacks(event)
     registerTFCDataForTFC(event)
     registerTFCDataForTFCBetterBF(event)
+    registerTFCDataForTFCLunchbox(event)
     registerTFCDataForWaterFlasks(event)
     registerTFCDataForFirmalife(event)
 })
diff --git a/kubejs/server_scripts/sophisticated_backpacks/data.js b/kubejs/server_scripts/sophisticated_backpacks/data.js
new file mode 100644
index 000000000..bc840199c
--- /dev/null
+++ b/kubejs/server_scripts/sophisticated_backpacks/data.js
@@ -0,0 +1,11 @@
+// priority: 0
+
+function registerTFCDataForSophisticatedBackpacks(event) {
+
+    event.itemSize('sophisticatedbackpacks:backpack', 'very_large', 'very_heavy', 'backpack_size')
+    event.itemSize('sophisticatedbackpacks:iron_backpack', 'very_large', 'very_heavy', 'iron_backpack_size')
+    event.itemSize('sophisticatedbackpacks:gold_backpack', 'very_large', 'very_heavy', 'gold_backpack_size')
+    event.itemSize('sophisticatedbackpacks:diamond_backpack', 'very_large', 'very_heavy', 'diamond_backpack_size')
+    event.itemSize('sophisticatedbackpacks:netherite_backpack', 'very_large', 'very_heavy', 'netherite_backpack_size')
+
+}
\ No newline at end of file
diff --git a/kubejs/server_scripts/tfc/data.js b/kubejs/server_scripts/tfc/data.js
index dfa3f8b19..e49817b46 100644
--- a/kubejs/server_scripts/tfc/data.js
+++ b/kubejs/server_scripts/tfc/data.js
@@ -186,11 +186,6 @@ const registerTFCKnappingTypes = (event) => {
 
 //#region registerTFCItemSize
 const registerTFCItemSize = (event) => {
-    event.itemSize('sophisticatedbackpacks:backpack', 'very_large', 'very_heavy', 'backpack_size')
-    event.itemSize('sophisticatedbackpacks:iron_backpack', 'very_large', 'very_heavy', 'iron_backpack_size')
-    event.itemSize('sophisticatedbackpacks:gold_backpack', 'very_large', 'very_heavy', 'gold_backpack_size')
-    event.itemSize('sophisticatedbackpacks:diamond_backpack', 'very_large', 'very_heavy', 'diamond_backpack_size')
-    event.itemSize('sophisticatedbackpacks:netherite_backpack', 'very_large', 'very_heavy', 'netherite_backpack_size')
 
     global.MINECRAFT_DYE_NAMES.forEach (color => {
         event.itemSize(`tfg:decorative_vase/${color}`, 'normal', 'medium', `decorative_vase/${color}`)
diff --git a/kubejs/server_scripts/tfclunchbox/data.js b/kubejs/server_scripts/tfclunchbox/data.js
new file mode 100644
index 000000000..6cc843dd2
--- /dev/null
+++ b/kubejs/server_scripts/tfclunchbox/data.js
@@ -0,0 +1,8 @@
+// priority: 0
+
+function registerTFCDataForTFCLunchbox(event) {
+
+    event.itemSize('tfclunchbox:lunchbox', 'large', 'heavy', 'lunchbox_size')
+    event.itemSize('tfclunchbox:cooling_lunchbox', 'large', 'heavy', 'cooling_lunchbox_size')
+
+}
\ No newline at end of file