diff --git a/Course/Contracts/BindingModels/DetailBindingModel.cs b/Course/Contracts/BindingModels/DetailBindingModel.cs
index ea9d950..2bd13f7 100644
--- a/Course/Contracts/BindingModels/DetailBindingModel.cs
+++ b/Course/Contracts/BindingModels/DetailBindingModel.cs
@@ -4,8 +4,9 @@ namespace Contracts.BindingModels
 {
     public class DetailBindingModel : IDetailModel
     {
-        int Id { get; set; }
-        int UserId { get; set; }
-
+        public int Id { get; set; }
+        public int UserId { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public double Cost { get; set; }
     }
 }
diff --git a/Course/Contracts/BindingModels/ProductBindingModel.cs b/Course/Contracts/BindingModels/ProductBindingModel.cs
new file mode 100644
index 0000000..57e6974
--- /dev/null
+++ b/Course/Contracts/BindingModels/ProductBindingModel.cs
@@ -0,0 +1,13 @@
+using DataModels.Models;
+
+namespace Contracts.BindingModels
+{
+    public class ProductBindingModel : IProductModel
+    {
+        public int Id { get; set; }
+        public int UserId { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public double Cost { get; set; }
+        public Dictionary<int, (IDetailModel, int)> ProductDetails { get; set; } = new();
+    }
+}
diff --git a/Course/Contracts/BindingModels/ProductionBindingModel.cs b/Course/Contracts/BindingModels/ProductionBindingModel.cs
new file mode 100644
index 0000000..5e76313
--- /dev/null
+++ b/Course/Contracts/BindingModels/ProductionBindingModel.cs
@@ -0,0 +1,14 @@
+using DataModels.Models;
+
+namespace Contracts.BindingModels
+{
+    public class ProductionBindingModel : IProductionModel
+    {
+        public int Id { get; set; }
+        public int UserId { get; set; }
+        public string Name { get; set; } = string.Empty;
+        public double Cost { get; set; }
+        public Dictionary<int, IDetailModel> ProductionDetails { get; set; } = new();
+
+    }
+}