diff --git a/apex/blobstore/framework/java/android/app/blob/BlobInfo.java b/apex/blobstore/framework/java/android/app/blob/BlobInfo.java
index 80062d5d245f825bcf8dc5fe8e108d31d3569dbb..ba92d95b483edd15767427eed2d3444fbc381f2c 100644
--- a/apex/blobstore/framework/java/android/app/blob/BlobInfo.java
+++ b/apex/blobstore/framework/java/android/app/blob/BlobInfo.java
@@ -16,9 +16,13 @@
 
 package android.app.blob;
 
+import static android.text.format.Formatter.FLAG_IEC_UNITS;
+
 import android.annotation.NonNull;
+import android.app.AppGlobals;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.text.format.Formatter;
 
 import java.util.Collections;
 import java.util.List;
@@ -32,13 +36,15 @@ public final class BlobInfo implements Parcelable {
     private final long mId;
     private final long mExpiryTimeMs;
     private final CharSequence mLabel;
+    private final long mSizeBytes;
     private final List<LeaseInfo> mLeaseInfos;
 
-    public BlobInfo(long id, long expiryTimeMs, CharSequence label,
+    public BlobInfo(long id, long expiryTimeMs, CharSequence label, long sizeBytes,
             List<LeaseInfo> leaseInfos) {
         mId = id;
         mExpiryTimeMs = expiryTimeMs;
         mLabel = label;
+        mSizeBytes = sizeBytes;
         mLeaseInfos = leaseInfos;
     }
 
@@ -46,6 +52,7 @@ public final class BlobInfo implements Parcelable {
         mId = in.readLong();
         mExpiryTimeMs = in.readLong();
         mLabel = in.readCharSequence();
+        mSizeBytes = in.readLong();
         mLeaseInfos = in.readArrayList(null /* classloader */);
     }
 
@@ -61,6 +68,10 @@ public final class BlobInfo implements Parcelable {
         return mLabel;
     }
 
+    public long getSizeBytes() {
+        return mSizeBytes;
+    }
+
     public List<LeaseInfo> getLeases() {
         return Collections.unmodifiableList(mLeaseInfos);
     }
@@ -70,6 +81,7 @@ public final class BlobInfo implements Parcelable {
         dest.writeLong(mId);
         dest.writeLong(mExpiryTimeMs);
         dest.writeCharSequence(mLabel);
+        dest.writeLong(mSizeBytes);
         dest.writeList(mLeaseInfos);
     }
 
@@ -83,10 +95,16 @@ public final class BlobInfo implements Parcelable {
                 + "id: " + mId + ","
                 + "expiryMs: " + mExpiryTimeMs + ","
                 + "label: " + mLabel + ","
+                + "size: " + formatBlobSize(mSizeBytes) + ","
                 + "leases: " + LeaseInfo.toShortString(mLeaseInfos) + ","
                 + "}";
     }
 
+    private static String formatBlobSize(long sizeBytes) {
+        return Formatter.formatFileSize(AppGlobals.getInitialApplication(),
+                sizeBytes, FLAG_IEC_UNITS);
+    }
+
     @Override
     public int describeContents() {
         return 0;
diff --git a/apex/blobstore/service/java/com/android/server/blob/BlobStoreManagerService.java b/apex/blobstore/service/java/com/android/server/blob/BlobStoreManagerService.java
index 8fff0d9c950b4c73a2bb4835d45eaf7ae7bb8290..0a5ada2823883cca0e8985b2e8f2f914cb2e91cb 100644
--- a/apex/blobstore/service/java/com/android/server/blob/BlobStoreManagerService.java
+++ b/apex/blobstore/service/java/com/android/server/blob/BlobStoreManagerService.java
@@ -482,7 +482,8 @@ public class BlobStoreManagerService extends SystemService {
                             descriptionResId, leasee.description));
                 });
                 blobInfos.add(new BlobInfo(blobMetadata.getBlobId(),
-                        blobHandle.getExpiryTimeMillis(), blobHandle.getLabel(), leaseInfos));
+                        blobHandle.getExpiryTimeMillis(), blobHandle.getLabel(),
+                        blobMetadata.getSize(), leaseInfos));
             });
         }
         return blobInfos;