diff --git a/tilecloud_chain/multitilestore.py b/tilecloud_chain/multitilestore.py
index fd87cf618..95988806e 100644
--- a/tilecloud_chain/multitilestore.py
+++ b/tilecloud_chain/multitilestore.py
@@ -114,6 +114,15 @@ def apply(key: tuple[str, str], tiles: Iterator[Tile]) -> Iterator[Tile]:
 
         return chain.from_iterable(starmap(apply, groupby(tiles, self._get_layer)))
 
+    def __str__(self) -> str:
+        """Return a string representation of the object."""
+        stores = {store.__class__.__name__ for store in self.stores.values() if store is not None}
+        return f"{self.__class__.__name__}({', '.join(stores)})"
+
+    def __repr__(self) -> str:
+        """Return a string representation of the object."""
+        return str(self)
+
     @staticmethod
     def _get_layer(tile: Tile | None) -> tuple[str, str]:
         assert tile is not None