for _, player in ipairs(game.Players:GetPlayers()) do
    local character = player.Character
    if character then
        local HurtBox = character:FindFirstChild("HurtBox")
        if HurtBox and HurtBox:IsA("BasePart") then
            HurtBox.Size = Vector3.new(11, 11, 11)
         HurtBox.CanCollide = False
        end
    end
end