Mutsy has come up with something truly amazing for 2010. The all new Mutsy Dual Seat. This seat can be purchased separately for your 4rider stroller. Or you can purchase it as a complete double. The new Mutsy 4rider double stroller. It can convert from a single and back to a double. All you 4rider moms know how awesome the Mutsy 4rider is. Now with the new dual seat, no need to give that up when your second child comes around!! Photos coming Soon!