WooCommerce no shipping available for certain products

gistfile1.php

function wcs_no_specific_shipping( $rates ) {
	global $woocommerce;
 
	// set the product ids that are eligible
	$eligible = array( '963' );
 
	// get cart contents
	$cart_items = $woocommerce->cart->get_cart();

	// loop through the items looking for one in the eligible array
	foreach ( $cart_items as $key => $item ) {
		if( in_array( $item['product_id'], $eligible ) ) {
			return false;
		}
	}
 
	// nothing found return the default value
	return $rates;
}
add_filter( 'woocommerce_package_rates', 'wcs_no_specific_shipping', 20 );