diff --git a/.ci/bundle-size-budgets.json b/.ci/bundle-size-budgets.json
index e5138d363..c898c380c 100644
--- a/.ci/bundle-size-budgets.json
+++ b/.ci/bundle-size-budgets.json
@@ -4,6 +4,24 @@
       "measurement": "bundle",
       "softKiB": 40,
       "hardKiB": 50
+    },
+    "checkoutKit": {
+      "measurement": "bundlePackage",
+      "package": "@shopify/checkout-kit",
+      "softKiB": 18,
+      "hardKiB": 24
+    },
+    "protocol": {
+      "measurement": "bundlePackage",
+      "package": "@shopify/checkout-kit-protocol",
+      "softKiB": 16,
+      "hardKiB": 20
+    },
+    "telemetry": {
+      "measurement": "bundlePackage",
+      "package": "@shopify/checkout-kit-telemetry",
+      "softKiB": 5,
+      "hardKiB": 8
     }
   },
   "react-native": {
diff --git a/.ci/bundle-size-budgets.md b/.ci/bundle-size-budgets.md
index 498517987..22254ab3b 100644
--- a/.ci/bundle-size-budgets.md
+++ b/.ci/bundle-size-budgets.md
@@ -39,6 +39,14 @@ Budget one package with `"measurement": "bundlePackage"` and its npm name:
 }
 ```
 
+Configured Web package budgets (uncompressed, minified bytes):
+
+| Package | Soft limit | Hard limit |
+| --- | --- | --- |
+| `@shopify/checkout-kit` | 18 KiB | 24 KiB |
+| `@shopify/checkout-kit-protocol` | 16 KiB | 20 KiB |
+| `@shopify/checkout-kit-telemetry` | 5 KiB | 8 KiB |
+
 A budgeted package that no longer contributes bytes reports a missing
 measurement. Remove or rename its budget in the same change. Accepting a
 per-package breach records that package, so the acceptance cannot satisfy