The advantage of using clamshell packaing is to ensure the ease of the packing process. Once the product is installed and the buckle design will ensure the product be secured in the cavity and necessary protectino is provided. It is ready to be delivered and sold by this packaging. Butterfly holes suits most of the retailing hanger and the standing feature also vaious the selling scheme might required. Transparent PET allow the product to be presented in full in front of the customer.