diff --git a/Sources/YLOnBoarding/YLOnBoarding.swift b/Sources/YLOnBoarding/YLOnBoarding.swift
index 0636030..f9f38a9 100644
--- a/Sources/YLOnBoarding/YLOnBoarding.swift
+++ b/Sources/YLOnBoarding/YLOnBoarding.swift
@@ -10,9 +10,15 @@ import SwiftUI
 public struct YLOnBoarding: View {
     
     let title: String
-    var style: YLOnBoardingStyle = YLOnBoardingStyle()
+    let style: YLOnBoardingStyle
     let items: [YLOnBoardingItem]
     
+    public init(title: String, style: YLOnBoardingStyle = YLOnBoardingStyle(), items: [YLOnBoardingItem]) {
+        self.title = title
+        self.style = style
+        self.items = items
+    }
+    
     public var body: some View {
         VStack {
             Text(title)
diff --git a/Sources/YLOnBoarding/YLOnBoardingItem.swift b/Sources/YLOnBoarding/YLOnBoardingItem.swift
index 104d149..55f3655 100644
--- a/Sources/YLOnBoarding/YLOnBoardingItem.swift
+++ b/Sources/YLOnBoarding/YLOnBoardingItem.swift
@@ -10,7 +10,13 @@ import Foundation
 public struct YLOnBoardingItem: Decodable {
     let icon: String
     let title: String
-    var description: String = ""
+    let description: String
+    
+    public init(icon: String, title: String, description: String = "") {
+        self.icon = icon
+        self.title = title
+        self.description = description
+    }
 }
 
 
diff --git a/Sources/YLOnBoarding/YLOnBoardingStyle.swift b/Sources/YLOnBoarding/YLOnBoardingStyle.swift
index 6a16d10..a1aea21 100644
--- a/Sources/YLOnBoarding/YLOnBoardingStyle.swift
+++ b/Sources/YLOnBoarding/YLOnBoardingStyle.swift
@@ -8,6 +8,11 @@
 import SwiftUI
 
 public struct YLOnBoardingStyle {
-    var mainColor : Color = .black
-    var accentColor : Color = .blue
+    var mainColor: Color
+    var accentColor: Color
+
+    public init(mainColor: Color = .black, accentColor: Color = .blue) {
+        self.mainColor = mainColor
+        self.accentColor = accentColor
+    }
 }