Mountain Buggy Joey Tote Bag for Duet - V3The Mountain Buggy Joey Tote Bag allows you to convert your double stroller to a single in seconds! The Joey easily clips onto the buggy frame and is compatible with all versions of the duet buggy. Specifications Converts duet into a viable single stroller solution. Interchangeable with seat, allowing your stroller to grow with your family. Sturdy frame with rigid structure. Internal tote bags made from lightweight, non woven, and recyclable material.