diff --git a/examples/specs/bar_size_relative_band.vl.json b/examples/specs/bar_size_relative_band.vl.json
new file mode 100644
index 00000000000..3b88add8c9a
--- /dev/null
+++ b/examples/specs/bar_size_relative_band.vl.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
+  "description": "A simple bar chart with embedded data.",
+  "data": {
+    "values": [
+      {"a": "A", "b": 28}, {"a": "B", "b": 55}, {"a": "C", "b": 43},
+      {"a": "D", "b": 91}, {"a": "E", "b": 81}, {"a": "F", "b": 53},
+      {"a": "G", "b": 19}, {"a": "H", "b": 87}, {"a": "I", "b": 52}
+    ]
+  },
+  "mark": {"type": "bar", "size": {"band": 0.5}},
+  "encoding": {
+    "x": {"field": "a", "type": "nominal", "axis": {"labelAngle": 0}},
+    "y": {"field": "b", "type": "quantitative"}
+  }
+}
diff --git a/examples/specs/bar_width_relative_band_size.vl.json b/examples/specs/bar_width_relative_band_size.vl.json
new file mode 100644
index 00000000000..016e6b63ba0
--- /dev/null
+++ b/examples/specs/bar_width_relative_band_size.vl.json
@@ -0,0 +1,16 @@
+{
+  "$schema": "https://vega.github.io/schema/vega-lite/v5.json",
+  "description": "A simple bar chart with embedded data.",
+  "data": {
+    "values": [
+      {"a": "A", "b": 28}, {"a": "B", "b": 55}, {"a": "C", "b": 43},
+      {"a": "D", "b": 91}, {"a": "E", "b": 81}, {"a": "F", "b": 53},
+      {"a": "G", "b": 19}, {"a": "H", "b": 87}, {"a": "I", "b": 52}
+    ]
+  },
+  "mark": {"type": "bar", "width": {"band": 0.5}},
+  "encoding": {
+    "x": {"field": "a", "type": "nominal", "axis": {"labelAngle": 0}},
+    "y": {"field": "b", "type": "quantitative"}
+  }
+}