diff --git a/application/views/mobile_first/thailand-lantern-form-2026.php b/application/views/mobile_first/thailand-lantern-form-2026.php
index 43cd9002..31951bf5 100644
--- a/application/views/mobile_first/thailand-lantern-form-2026.php
+++ b/application/views/mobile_first/thailand-lantern-form-2026.php
@@ -23,7 +23,7 @@
         <p style="font-size: 20px; margin-bottom: 15px;"><strong>Select a Ticket Type:</strong></p>
 		<div class="selectHotl" style="margin-bottom: 20px;">
             <div class="optionLable" id="ticket_type_elite_ticket">
-                <input type="radio" value="Elite+Transfer+Dinner" id="elite_ticket" data-price="499" name="ticket_type">
+                <input type="radio" value="Elite+Transfer+Dinner" id="elite_ticket" data-price="499" data-product-sn="9199" name="ticket_type">
                 <label for="elite_ticket" style="font-size:18px;">
                 Elite+Transfer+Dinner
                     <div class="selectionMemo">
@@ -32,7 +32,7 @@
                 </label>
             </div>
             <div class="optionLable" id="ticket_type_platinum_ticket">
-                <input type="radio" value="Platinum+Transfer+Dinner" id="platinum_ticket" data-price="379" name="ticket_type">
+                <input type="radio" value="Platinum+Transfer+Dinner" id="platinum_ticket" data-price="379" data-product-sn="9198" name="ticket_type">
                 <label for="platinum_ticket" style="font-size:18px;">
                 Platinum+Transfer+Dinner
                     <div class="selectionMemo">
@@ -41,7 +41,7 @@
                 </label>
             </div>
             <div class="optionLable" id="ticket_type_gold_ticket">
-                <input type="radio" value="Gold+Transfer+Dinner" id="gold_ticket" data-price="289" name="ticket_type">
+                <input type="radio" value="Gold+Transfer+Dinner" id="gold_ticket" data-price="289" data-product-sn="9197" name="ticket_type">
                 <label for="gold_ticket" style="font-size:18px;">
                 Gold+Transfer+Dinner
                     <div class="selectionMemo">
@@ -50,7 +50,7 @@
                 </label>
             </div>
             <div class="optionLable" id="ticket_type_premium_khomloy">
-                <input type="radio" value="Premium+Transfer+Dinner" checked id="premium_khomloy" data-price="219" name="ticket_type">
+                <input type="radio" value="Premium+Transfer+Dinner" checked id="premium_khomloy" data-price="219" data-product-sn="4856" name="ticket_type">
                 <label for="premium_khomloy" style="font-size:18px;">
                 Premium+Transfer+Dinner
                     <div class="selectionMemo">
@@ -59,7 +59,7 @@
                 </label>
             </div>
             <div class="optionLable" id="ticket_type_vip_khomloy">
-                <input type="radio" value="VIP+Transfer+Dinner" id="vip_khomloy" data-price="209" name="ticket_type">
+                <input type="radio" value="VIP+Transfer+Dinner" id="vip_khomloy" data-price="209" data-product-sn="5045" name="ticket_type">
                 <label for="vip_khomloy" style="font-size:18px;">
                 VIP+Transfer+Dinner
                     <div class="selectionMemo">
@@ -68,7 +68,7 @@
                 </label>
             </div>
             <div class="optionLable" id="ticket_type_standard_khomloy">
-                <input type="radio" value="Standard+Transfer+Dinner" id="standard_khomloy" data-price="159" name="ticket_type">
+                <input type="radio" value="Standard+Transfer+Dinner" id="standard_khomloy" data-price="159" data-product-sn="5186" name="ticket_type">
                 <label for="standard_khomloy" style="font-size:18px;">
                 Standard+Transfer+Dinner
                     <div class="selectionMemo">
@@ -77,7 +77,7 @@
                 </label>
             </div>
             <div class="optionLable" id="ticket_type_premium_costume">
-                <input type="radio" value="Premium+Thai Costume+Exclusive Transfer+Dinner" id="premium_costume" data-price="419" name="ticket_type">
+                <input type="radio" value="Premium+Thai Costume+Exclusive Transfer+Dinner" id="premium_costume" data-price="419" data-product-sn="9296" name="ticket_type">
                 <label for="premium_costume" style="font-size:18px;">
                 Premium+Thai Costume<br>+Exclusive Transfer+Dinner
                     <div class="selectionMemo">
@@ -370,7 +370,7 @@
         <textarea name="other_travelers_names"  placeholder="If booking two or more tickets, please fill in other traveler name(s) here: (per passport, e.g.Smith Sarah Jean)."></textarea>
 
         <input name="total_price" id="totalPriceHidden" type="hidden" value="10000" />
-        <input name="product_code" id="cli_no" type="hidden" value="YDFW-AH"/>
+        <input name="product_sn" id="product_sn" type="hidden" value="4856"/>
         <input name="itinerary" type="hidden" value="Chiang Mai CAD Yi Peng 2026 Tickets: Best Seats & Value" />
         <button class="sendButton" id="submit_ticket_button" name="submit_ticket_form"
             type="button" style="margin-top: 20px;">Proceed to Payment</button>
@@ -414,6 +414,7 @@
 
     var totalPriceText = document.getElementById("totalPriceText");
     var totalPriceHidden = document.getElementById("totalPriceHidden");
+    var productSNHidden = document.getElementById("product_sn");
     var adultNumberValue = parseInt(adultNumberNode.value);
     var currentTicketPrice = 10000;
 
@@ -429,6 +430,7 @@
             currentTicketPrice = parseInt(currentTarget.getAttribute('data-price'));
             adultNumberValue = parseInt(adultNumberNode.value);
             calcTotalPrice(currentTicketPrice, adultNumberValue);
+            productSNHidden.value = parseInt(currentTarget.getAttribute('data-product-sn'));
         });
     }
 
@@ -457,6 +459,7 @@
 
       premium_radio.checked = true;
       currentTicketPrice = parseInt(premium_radio.getAttribute('data-price'));
+      productSNHidden.value = parseInt(premium_radio.getAttribute('data-product-sn'));
 
       adultNumberValue = parseInt(adultNumberNode.value);
       calcTotalPrice(currentTicketPrice, adultNumberValue);
@@ -474,6 +477,7 @@
 
       premium_radio.checked = true;
       currentTicketPrice = parseInt(premium_radio.getAttribute('data-price'));
+      productSNHidden.value = parseInt(premium_radio.getAttribute('data-product-sn'));
 
       adultNumberValue = parseInt(adultNumberNode.value);
       calcTotalPrice(currentTicketPrice, adultNumberValue);