eBay Labels is now available for multi-channel sellers through the eBay Shipping Partner Platform.* Enjoy the savings and convenience of eBay Labels in a single platform that lets you manage your shipping across all the marketplaces where you sell!
http://www.ebay.com/shippingpartnerplatform
*This program is currently available to a limited group of eBay sellers. If you would like to be included in the program, please email your request to DL-eBay-eBayShippingPlatformPartners@ebay.com.