$store_id = 1;
$order_type = 'default';
$cart_manager = Drupal::service('commerce_cart.cart_manager');
$cart_provider = Drupal::service('commerce_cart.cart_provider');
$entity_manager = Drupal::entityManager();
$store = $entity_manager->getStorage('commerce_store')->load($store_id);
$cart = $cart_provider->getCart($order_type, $store);
foreach ($cart-> getItems() as $order_item) {
    foreach($order_item->getPurchasedEntity() as $purchased_entity){
        print_r($purchased_entity);
    }
}

Drupalcommerce_productEntityProductVariation Object
(
[values:protected] => Array
    (
        [variation_id] => Array
            (
                [x-default] => 432
            )

        [type] => Array
            (
                [x-default] => product_variations
            )

        [uuid] => Array
            (
                [x-default] => 87d27a77-4bc1-40ff-b3cf-ad3e949ce1b3
            )

        [langcode] => Array
            (
                [x-default] => en
            )

        [status] => Array
            (
                [x-default] => 1
            )

        [uid] => Array
            (
                [x-default] => 9
            )

        [product_id] => Array
            (
                [x-default] => 65
            )

        [sku] => Array
            (
                [x-default] => xx-uua
            )
        [price] => Array
            (
                [x-default] => Array
                    (
                        [number] => 22.000000
                        [currency_code] => USD
                    )

            )
        [field_order_no] => Array
            (
                [x-default] => Array
                    (
                        [0] => Array
                            (
                                [value] => PE-5070
                            )

                    )

            )