diff --git a/commerce_usps.commerce_package_types.yml b/commerce_usps.commerce_package_types.yml
index fd97f37..500fcdf 100755
--- a/commerce_usps.commerce_package_types.yml
+++ b/commerce_usps.commerce_package_types.yml
@@ -7,6 +7,9 @@ usps_large_flat_rate_box:
     width: '12.25'
     height: '6'
     unit: 'in'
+  weight:
+    number: '70'
+    unit: 'lb'
   shipping_method: 'usps'
 
 usps_medium_flat_rate_box_top_loading:
@@ -17,16 +20,22 @@ usps_medium_flat_rate_box_top_loading:
     width: '8.75'
     height: '6'
     unit: 'in'
+  weight:
+    number: '70'
+    unit: 'lb'
   shipping_method: 'usps'
 
 usps_medium_flat_rate_box:
   remote_id: 'Md Flat Rate Box'
   label: 'USPS Medium Flat Rate Box'
   dimensions:
-    length: '12'
-    width: '3.25'
-    height: '14'
+    length: '14'
+    width: '12'
+    height: '3.5'
     unit: 'in'
+  weight:
+    number: '70'
+    unit: 'lb'
   shipping_method: 'usps'
 
 usps_small_flat_rate_box:
@@ -34,9 +43,12 @@ usps_small_flat_rate_box:
   label: 'USPS Small Flat Rate Box'
   dimensions:
     length: '8.69'
-    width: '1.75'
-    height: '5.5'
+    width: '5.5'
+    height: '1.75'
     unit: 'in'
+  weight:
+    number: '70'
+    unit: 'lb'
   shipping_method: 'usps'
 
 commerce_package_type: