diff --git a/ios/ModalSheet/ModalSheetBottomAttachedOverlayLayoutConfig.swift b/ios/ModalSheet/ModalSheetBottomAttachedOverlayLayoutConfig.swift
index 14de619..565f3da 100644
--- a/ios/ModalSheet/ModalSheetBottomAttachedOverlayLayoutConfig.swift
+++ b/ios/ModalSheet/ModalSheetBottomAttachedOverlayLayoutConfig.swift
@@ -10,6 +10,11 @@ import Foundation
 
 public struct ModalSheetBottomAttachedOverlayLayoutConfig {
 
+  typealias Presets = ModalSheetBottomAttachedOverlayLayoutConfigPreset;
+  
+  // MARK: - Properties
+  // ------------------
+
   public var horizontalPositionMode: ViewPositionHorizontal;
   
   public var marginLeft: CGFloat;
@@ -18,6 +23,9 @@ public struct ModalSheetBottomAttachedOverlayLayoutConfig {
   public var marginBottom: ModalSheetBottomDistance;
   public var paddingBottom: ModalSheetBottomDistance;
   
+  // MARK: - Init
+  // ------------
+  
   init(
     horizontalPositionMode: ViewPositionHorizontal,
     marginLeft: CGFloat = 0,
@@ -32,6 +40,9 @@ public struct ModalSheetBottomAttachedOverlayLayoutConfig {
     self.paddingBottom = paddingBottom;
   };
   
+  // MARK: - Functions
+  // -----------------
+  
   public func createExternalHorizontalConstraints(
     forView childView: UIView,
     attachingTo parentView: UIView,
@@ -75,3 +86,12 @@ public struct ModalSheetBottomAttachedOverlayLayoutConfig {
     );
   };
 };
+
+// MARK: - ModalSheetBottomAttachedOverlayLayoutConfig+StaticAlias
+// ---------------------------------------------------------------
+
+public extension ModalSheetBottomAttachedOverlayLayoutConfig {
+  
+  static let `default`: Self =
+    ModalSheetBottomAttachedOverlayLayoutConfigPreset.stretchWithSafeAreaPadding.config;
+};
diff --git a/ios/ModalSheet/ModalSheetBottomAttachedOverlayLayoutConfigPreset.swift b/ios/ModalSheet/ModalSheetBottomAttachedOverlayLayoutConfigPreset.swift
new file mode 100644
index 0000000..8c844ef
--- /dev/null
+++ b/ios/ModalSheet/ModalSheetBottomAttachedOverlayLayoutConfigPreset.swift
@@ -0,0 +1,164 @@
+//
+//  ModalSheetBottomAttachedOverlayLayoutConfigPreset.swift
+//  react-native-ios-modal
+//
+//  Created by Dominic Go on 10/6/24.
+//
+
+import Foundation
+
+/// These are mainly used for testing
+///
+public enum ModalSheetBottomAttachedOverlayLayoutConfigPreset: String, CaseIterable {
+  
+  case stretchWithSafeAreaPadding;
+  
+  case centerFloatStretch80Percent;
+  case centerAttachedStretch90Percent;
+  
+  case leadingFloatStretchQuarter;
+  case leadingFloatStretchHalf;
+  case leadingFloatStretchThreeQuarters;
+  
+  case trailingFloatStretchQuarter;
+  case trailingFloatStretchHalf;
+  case trailingFloatStretchThreeQuarters;
+  
+  case leadingAttachedStretchQuarter;
+  case leadingAttachedStretchHalf;
+  case leadingAttachedStretchThreeQuarters;
+  
+  case trailingAttachedStretchQuarter;
+  case trailingAttachedStretchHalf;
+  case trailingAttachedStretchThreeQuarters;
+  
+  // MARK: - Computed Properties
+  // ---------------------------
+  
+  public var config: ModalSheetBottomAttachedOverlayLayoutConfig {
+    switch self {
+      case .stretchWithSafeAreaPadding:
+        return .init(
+          horizontalPositionMode: .stretch,
+          paddingBottom: .safeArea(
+            additionalValue: 0,
+            minValue: 0
+          )
+        );
+        
+      case .centerFloatStretch80Percent:
+        return .init(
+          horizontalPositionMode: .centerStretch(percent: 0.8),
+          marginBottom: .safeArea(
+            additionalValue: 0,
+            minValue: 12
+          )
+        );
+        
+      case .centerAttachedStretch90Percent:
+        return .init(
+          horizontalPositionMode: .centerStretch(percent: 0.9),
+          paddingBottom: .safeArea(
+            additionalValue: 0,
+            minValue: 12
+          )
+        );
+        
+      case .leadingFloatStretchQuarter:
+        return .init(
+          horizontalPositionMode: .leadingStretch(percent: 0.25),
+          marginLeft: 12,
+          marginBottom: .safeArea(
+            additionalValue: 0,
+            minValue: 12
+          )
+        );
+      
+      case .leadingFloatStretchHalf:
+        return .init(
+          horizontalPositionMode: .leadingStretch(percent: 0.5),
+          marginLeft: 12,
+          marginBottom: .safeArea(
+            additionalValue: 0,
+            minValue: 12
+          )
+        );
+        
+      case .leadingFloatStretchThreeQuarters:
+        return .init(
+          horizontalPositionMode: .leadingStretch(percent: 0.75),
+          marginLeft: 12,
+          marginBottom: .safeArea(
+            additionalValue: 0,
+            minValue: 12
+          )
+        );
+  
+      case .trailingFloatStretchQuarter:
+        return .init(
+          horizontalPositionMode: .trailingStretch(percent: 0.25),
+          marginRight: 12,
+          marginBottom: .safeArea(
+            additionalValue: 0,
+            minValue: 12
+          )
+        );
+        
+      case .trailingFloatStretchHalf:
+        return .init(
+          horizontalPositionMode: .trailingStretch(percent: 0.5),
+          marginRight: 12,
+          marginBottom: .safeArea(
+            additionalValue: 0,
+            minValue: 12
+          )
+        );
+        
+      case .trailingFloatStretchThreeQuarters:
+        return .init(
+          horizontalPositionMode: .trailingStretch(percent: 0.75),
+          marginRight: 12,
+          marginBottom: .safeArea(
+            additionalValue: 0,
+            minValue: 12
+          )
+        );
+      
+      case .leadingAttachedStretchQuarter:
+        return .init(
+          horizontalPositionMode: .leadingStretch(percent: 0.25),
+          paddingBottom: .safeArea(minValue: 12)
+        );
+        
+      case .leadingAttachedStretchHalf:
+        return .init(
+          horizontalPositionMode: .leadingStretch(percent: 0.5),
+          paddingBottom: .safeArea(minValue: 12)
+        );
+        
+      case .leadingAttachedStretchThreeQuarters:
+        return .init(
+          horizontalPositionMode: .leadingStretch(percent: 0.75),
+          paddingBottom: .safeArea(minValue: 12)
+        );
+      
+      case .trailingAttachedStretchQuarter:
+        return .init(
+          horizontalPositionMode: .trailingStretch(percent: 0.25),
+          paddingBottom: .safeArea(minValue: 12)
+        );
+        
+      case .trailingAttachedStretchHalf:
+        return .init(
+          horizontalPositionMode: .trailingStretch(percent: 0.5),
+          paddingBottom: .safeArea(minValue: 12)
+        );
+        
+      case .trailingAttachedStretchThreeQuarters:
+        return .init(
+          horizontalPositionMode: .trailingStretch(percent: 0.5),
+          paddingBottom: .safeArea(minValue: 12)
+        );
+    };
+  };
+};