diff --git a/src/Business/Entities/BaseEntity.cs b/src/Business/Entities/BaseEntity.cs
new file mode 100644
index 0000000..be1833c
--- /dev/null
+++ b/src/Business/Entities/BaseEntity.cs
@@ -0,0 +1,7 @@
+namespace Microsoft.eShopWeb.Business.Entities
+{
+    public class BaseEntity
+    {
+        public int Id { get; set; }
+    }
+}
diff --git a/src/Business/Entities/CatalogBrand.cs b/src/Business/Entities/CatalogBrand.cs
index e016395..a13a2c2 100644
--- a/src/Business/Entities/CatalogBrand.cs
+++ b/src/Business/Entities/CatalogBrand.cs
@@ -1,8 +1,7 @@
 namespace Microsoft.eShopWeb.Business.Entities
 {
-    public class CatalogBrand
+    public class CatalogBrand : BaseEntity
     {
-        public int Id { get; set; }
         public string Brand { get; set; }
     }
 }
diff --git a/src/Business/Entities/CatalogItem.cs b/src/Business/Entities/CatalogItem.cs
index aedc288..a591e6d 100644
--- a/src/Business/Entities/CatalogItem.cs
+++ b/src/Business/Entities/CatalogItem.cs
@@ -1,25 +1,15 @@
 namespace Microsoft.eShopWeb.Business.Entities
 {
-    public class CatalogItem
+    public class CatalogItem : BaseEntity
     {
-        public int Id { get; set; }
-
         public string Name { get; set; }
-
         public string Description { get; set; }
-
         public decimal Price { get; set; }
-
         public string PictureUri { get; set; }
-
         public int CatalogTypeId { get; set; }
-
         public CatalogType CatalogType { get; set; }
-
         public int CatalogBrandId { get; set; }
-
         public CatalogBrand CatalogBrand { get; set; }
-
         public CatalogItem() { }
     }
 }
\ No newline at end of file
diff --git a/src/Business/Entities/CatalogType.cs b/src/Business/Entities/CatalogType.cs
index 2842b43..a033f2c 100644
--- a/src/Business/Entities/CatalogType.cs
+++ b/src/Business/Entities/CatalogType.cs
@@ -1,9 +1,7 @@
 namespace Microsoft.eShopWeb.Business.Entities
 {
-    public class CatalogType
+    public class CatalogType : BaseEntity
     {
-        public int Id { get; set; }
-
         public string Type { get; set; }
     }
 }
diff --git a/src/Web/Views/Catalog/_product.cshtml b/src/Web/Views/Catalog/_product.cshtml
index 6fbca0d..aaf8226 100644
--- a/src/Web/Views/Catalog/_product.cshtml
+++ b/src/Web/Views/Catalog/_product.cshtml
@@ -1,4 +1,4 @@
-@model Microsoft.eShopWeb.Models.CatalogItem
+@model Microsoft.eShopWeb.Business.Entities.CatalogItem
 
 
 <form asp-controller="Cart" asp-action="AddToCart">