diff --git a/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain.Shared/Volo/Abp/BlobStoring/Database/BlobConsts.cs b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain.Shared/Volo/Abp/BlobStoring/Database/BlobConsts.cs
new file mode 100644
index 0000000000..f0edc35777
--- /dev/null
+++ b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain.Shared/Volo/Abp/BlobStoring/Database/BlobConsts.cs
@@ -0,0 +1,9 @@
+namespace Volo.Abp.BlobStoring.Database
+{
+    public static class BlobConsts
+    {
+        public const int MaxNameLength = 256;
+
+        public const int MaxContentLength = 2_000_000_000; // 2 GB
+    }
+}
\ No newline at end of file
diff --git a/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain.Shared/Volo/Abp/BlobStoring/Database/ContainerConsts.cs b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain.Shared/Volo/Abp/BlobStoring/Database/ContainerConsts.cs
index fa11c6464c..383883eca6 100644
--- a/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain.Shared/Volo/Abp/BlobStoring/Database/ContainerConsts.cs
+++ b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain.Shared/Volo/Abp/BlobStoring/Database/ContainerConsts.cs
@@ -2,6 +2,6 @@
 {
     public static class ContainerConsts
     {
-        public const int MaxNameLength = 64; // TODO: find best length
+        public const int MaxNameLength = 128;
     }
 }
\ No newline at end of file
diff --git a/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/Blob.cs b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/Blob.cs
index 121352d6e8..56040fe6ce 100644
--- a/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/Blob.cs
+++ b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/Blob.cs
@@ -1,5 +1,5 @@
-using System;
-using Volo.Abp.Data;
+using JetBrains.Annotations;
+using System;
 using Volo.Abp.Domain.Entities;
 using Volo.Abp.MultiTenancy;
 
@@ -13,14 +13,32 @@ namespace Volo.Abp.BlobStoring.Database
 
         public string Name { get; set; }
 
-        public byte[] Content { get; set; }
+        public byte[] Content { get; private set; }
         
-        public Blob(Guid id, Guid containerId, string name, byte[] content, Guid? tenantId) : base(id)
+        public Blob(Guid id, Guid containerId, [NotNull]string name, byte[] content, Guid? tenantId) : base(id)
         {
+            Check.NotNullOrWhiteSpace(name, nameof(name), BlobConsts.MaxNameLength);
+            CheckContent(content);
+
+            Content = content;
             ContainerId = containerId;
             Name = name;
-            Content = content;
             TenantId = tenantId;
         }
+
+        public virtual void SetContent(byte[] content)
+        {
+            CheckContent(content);
+
+            Content = content;
+        }
+
+        protected void CheckContent(byte[] content)
+        {
+            if (content.Length >= BlobConsts.MaxContentLength)
+            {
+                throw new AbpException("Blob content size cannot be more than 2GB.");
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/Container.cs b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/Container.cs
index d96868840a..927e98ae25 100644
--- a/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/Container.cs
+++ b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/Container.cs
@@ -13,7 +13,8 @@ namespace Volo.Abp.BlobStoring.Database
 
         public Container(Guid id, [NotNull]string name, Guid? tenantId = null) : base(id)
         {
-            // Todo: check null and length etc
+            Check.NotNullOrWhiteSpace(name, nameof(name), ContainerConsts.MaxNameLength);
+
             TenantId = tenantId;
             Name = name;
         }
diff --git a/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/DatabaseBlobProvider.cs b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/DatabaseBlobProvider.cs
index e99e8ed193..f749410429 100644
--- a/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/DatabaseBlobProvider.cs
+++ b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.Domain/Volo/Abp/BlobStoring/Database/DatabaseBlobProvider.cs
@@ -31,7 +31,7 @@ namespace Volo.Abp.BlobStoring.Database
                     throw new BlobAlreadyExistsException($"Saving BLOB '{args.BlobName}' does already exists in the container '{args.ContainerName}'! Set {nameof(args.OverrideExisting)} if it should be overwritten.");
                 }
 
-                blob.Content = content;
+                blob.SetContent(content);
                 await BlobRepository.UpdateAsync(blob);
             }
             else
diff --git a/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.EntityFrameworkCore/Volo/Abp/BlobStoring/Database/EntityFrameworkCore/BlobStoringDatabaseDbContextModelCreatingExtensions.cs b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.EntityFrameworkCore/Volo/Abp/BlobStoring/Database/EntityFrameworkCore/BlobStoringDatabaseDbContextModelCreatingExtensions.cs
index c14474ec02..9a3d52c4c9 100644
--- a/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.EntityFrameworkCore/Volo/Abp/BlobStoring/Database/EntityFrameworkCore/BlobStoringDatabaseDbContextModelCreatingExtensions.cs
+++ b/modules/blob-storing-database/src/Volo.Abp.BlobStoring.Database.EntityFrameworkCore/Volo/Abp/BlobStoring/Database/EntityFrameworkCore/BlobStoringDatabaseDbContextModelCreatingExtensions.cs
@@ -36,8 +36,9 @@ namespace Volo.Abp.BlobStoring.Database.EntityFrameworkCore
 
                 b.ConfigureByConvention();
 
-                b.Property(p => p.Name).IsRequired().HasMaxLength(ContainerConsts.MaxNameLength);
+                b.Property(p => p.Name).IsRequired().HasMaxLength(BlobConsts.MaxNameLength);
                 b.Property(p => p.ContainerId).IsRequired();
+                b.Property(p => p.Content).HasMaxLength(BlobConsts.MaxContentLength);
 
                 b.HasIndex(x => x.Name);
             });