diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index 3979bd86..139c246 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1999,6 +1999,9 @@
      SINGLE_DISABLE_VALUE_TYPE(chromeos::switches::kDisableNewZIPUnpacker)},
 #endif  // OS_CHROMEOS
 #if defined(OS_CHROMEOS)
+    {"crostini-backup", flag_descriptions::kCrostiniBackupName,
+     flag_descriptions::kCrostiniBackupDescription, kOsCrOS,
+     FEATURE_VALUE_TYPE(chromeos::features::kCrostiniBackup)},
     {"crostini-files", flag_descriptions::kCrostiniFilesName,
      flag_descriptions::kCrostiniFilesDescription, kOsCrOS,
      FEATURE_VALUE_TYPE(chromeos::features::kCrostiniFiles)},
diff --git a/chrome/browser/flag-metadata.json b/chrome/browser/flag-metadata.json
index cf6c778..2fc2cba5c 100644
--- a/chrome/browser/flag-metadata.json
+++ b/chrome/browser/flag-metadata.json
@@ -457,6 +457,11 @@
     "expiry_milestone": 76
   },
   {
+    "name": "crostini-backup",
+    "owners": [ "joelhockey", "nverne", "benwells" ],
+    "expiry_milestone": 77
+  },
+  {
     "name": "crostini-files",
     "owners": [ "joelhockey", "nverne", "benwells" ],
     "expiry_milestone": 76
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 5715af1c..bcf5e903 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -3118,6 +3118,9 @@
 const char kCrosRegionsModeOverride[] = "Override VPD values.";
 const char kCrosRegionsModeHide[] = "Hide VPD values.";
 
+const char kCrostiniBackupName[] = "Crostini Backup";
+const char kCrostiniBackupDescription[] = "Enable Crostini export and import.";
+
 const char kCrostiniFilesName[] = "Crostini Files";
 const char kCrostiniFilesDescription[] =
     "Enable Crostini file sharing in Files app.";
diff --git a/chrome/browser/flag_descriptions.h b/chrome/browser/flag_descriptions.h
index ad54969..ba1f7a1 100644
--- a/chrome/browser/flag_descriptions.h
+++ b/chrome/browser/flag_descriptions.h
@@ -1873,6 +1873,9 @@
 extern const char kCrosRegionsModeOverride[];
 extern const char kCrosRegionsModeHide[];
 
+extern const char kCrostiniBackupName[];
+extern const char kCrostiniBackupDescription[];
+
 extern const char kCrostiniFilesName[];
 extern const char kCrostiniFilesDescription[];
 
diff --git a/chromeos/constants/chromeos_features.cc b/chromeos/constants/chromeos_features.cc
index 462a903..a30fa5eb 100644
--- a/chromeos/constants/chromeos_features.cc
+++ b/chromeos/constants/chromeos_features.cc
@@ -25,6 +25,10 @@
     "AutoScreenBrightnessContinuedAdjustment",
     base::FEATURE_DISABLED_BY_DEFAULT};
 
+// Enables or disables Crostini Backup.
+const base::Feature kCrostiniBackup{"CrostiniBackup",
+                                    base::FEATURE_DISABLED_BY_DEFAULT};
+
 // Enables or disables Crostini Files.
 const base::Feature kCrostiniFiles{"CrostiniFiles",
                                    base::FEATURE_ENABLED_BY_DEFAULT};
diff --git a/chromeos/constants/chromeos_features.h b/chromeos/constants/chromeos_features.h
index 9a06375..4475df5 100644
--- a/chromeos/constants/chromeos_features.h
+++ b/chromeos/constants/chromeos_features.h
@@ -19,6 +19,7 @@
 CHROMEOS_EXPORT extern const base::Feature kAutoScreenBrightness;
 CHROMEOS_EXPORT extern const base::Feature
     kAutoScreenBrightnessContinuedAdjustment;
+CHROMEOS_EXPORT extern const base::Feature kCrostiniBackup;
 CHROMEOS_EXPORT extern const base::Feature kCrostiniFiles;
 CHROMEOS_EXPORT extern const base::Feature kCrostiniUsbSupport;
 CHROMEOS_EXPORT extern const base::Feature kCryptAuthV2Enrollment;
diff --git a/tools/metrics/histograms/enums.xml b/tools/metrics/histograms/enums.xml
index 5507d7a..89580db 100644
--- a/tools/metrics/histograms/enums.xml
+++ b/tools/metrics/histograms/enums.xml
@@ -31610,6 +31610,7 @@
   <int value="401983950" label="enable-spdy4"/>
   <int value="402143634" label="enable-search-button-in-omnibox-always"/>
   <int value="403288255" label="enable-wheel-scroll-latching"/>
+  <int value="403741682" label="CrostiniBackup:enabled"/>
   <int value="405329388"
       label="FramebustingNeedsSameOriginOrUserGesture:enabled"/>
   <int value="411250226" label="AutoplayMutedVideos:disabled"/>
@@ -32371,6 +32372,7 @@
   <int value="1736698988" label="FsNosymfollow:disabled"/>
   <int value="1739456903" label="PWAFullCodeCache:enabled"/>
   <int value="1747279677" label="disable-delegated-renderer"/>
+  <int value="1750822869" label="CrostiniBackup:disabled"/>
   <int value="1752168018" label="enable-stale-while-revalidate"/>
   <int value="1755024316" label="HostWindowsInAppShimProcess:disabled"/>
   <int value="1760946944" label="MacViewsAutofillPopup:disabled"/>