diff --git a/model/order.go b/model/order.go
index 868de98..73dab4b 100644
--- a/model/order.go
+++ b/model/order.go
@@ -1,2 +1,20 @@
 package model
 
+import "github.com/jackc/pgtype"
+
+type OrderModel struct {
+	ID        string           `db:"id" json:"id"`
+	State     string           `db:"state" json:"state"`
+	CreatedAt pgtype.Timestamp `db:"created_at" json:"created_at"`
+	UpdatedAt pgtype.Timestamp `db:"updated_at" json:"updated_at"`
+}
+
+type OrderItemModel struct {
+	ID        string           `db:"id" json:"id"`
+	OrderID   string           `db:"order_id" json:"order_id"`
+	ProductID int              `db:"product_id" json:"product_id"`
+	Quantity  int              `db:"quantity" json:"quantity"`
+	Price     float64          `db:"price" json:"price"`
+	CreatedAt pgtype.Timestamp `db:"created_at" json:"created_at"`
+	UpdatedAt pgtype.Timestamp `db:"updated_at" json:"updated_at"`
+}