Amazon.com : Twin Stroller Connector for Baby Universal Fits Umbrella Strollers Babyzen YOYO Yoya Etc.. Turns Two Single Strollers into a Double Stroller : Baby
Mompush Lithe Double Stroller with Two Large Individual Side by Side Recline Seat, Navy, 24.5LB, Unisex - Walmart.com
BABYZEN YOYO Double Stroller (Bassinet Front / 6+ Back)