Array
(
    [free_shipping:11] => WC_Shipping_Rate Object
        (
            [data:protected] => Array
                (
                    [id] => free_shipping:11
                    [method_id] => free_shipping
                    [instance_id] => 11
                    [label] => Free shipping
                    [cost] => 0.00
                    [taxes] => Array
                        (
                        )

                )

            [meta_data:protected] => Array
                (
                    [Items] => Hideaway Waste Bin Compact Soft-Close 2x15 Ltr (Door Pull) × 1
                )

        )

)