local Players = game:GetService("Players")
local player = Players.LocalPlayer
local gui = player:WaitForChild("PlayerGui")

-- Navigate through your GUI hierarchy
local main = gui:WaitForChild("Main")
local unitShop = main:WaitForChild("UnitShop")
local mainFrame = unitShop:WaitForChild("MainFrame")
local buttons = mainFrame:WaitForChild("Buttons")
local buyTen = buttons:WaitForChild("BuyTen") -- your button

-- The locked size you want
local fixedSize = UDim2.new(2.25000001, 0, 2.283000028, 0)

-- Set initial size
buyTen.Size = fixedSize

-- Keep it fixed forever
buyTen.Changed:Connect(function(property)
    if property == "Size" then
        if buyTen.Size ~= fixedSize then
            buyTen.Size = fixedSize
        end
    end
end)

print("BuyTen size locked.")