diff --git a/crates/bevy_ecs/src/bundle.rs b/crates/bevy_ecs/src/bundle.rs
index d18d6bdd2a68a..fb7d61cbb959d 100644
--- a/crates/bevy_ecs/src/bundle.rs
+++ b/crates/bevy_ecs/src/bundle.rs
@@ -1473,6 +1473,21 @@ pub struct Bundles {
 }
 
 impl Bundles {
+    /// The total number of [`Bundle`] registered in [`Storages`].
+    pub fn len(&self) -> usize {
+        self.bundle_infos.len()
+    }
+
+    /// Returns true if no [`Bundle`] registered in [`Storages`].
+    pub fn is_empty(&self) -> bool {
+        self.len() == 0
+    }
+
+    /// Iterate over [`BundleInfo`].
+    pub fn iter(&self) -> impl Iterator<Item = &BundleInfo> {
+        self.bundle_infos.iter()
+    }
+
     /// Gets the metadata associated with a specific type of bundle.
     /// Returns `None` if the bundle is not registered with the world.
     #[inline]