Woothemes’ Woocommerce Canada Post Shipping Method is a WooCommerce Extension. Woocommerce Canada Post Shipping Method allows you to provide Royal Mail shipping prices to your clients in Canada, the United States, and internationally. Supported Services: IN DOMESTIC Typical Parcel. Expedited Parcel is a service that allows you to send a package quickly. Xpresspost. Certified by Xpresspost….