Duo = tandem compatible with our Duo Full Buckle carrier! This carrier includes everything you need to wear a singleton and is equipped with the removable shoulder straps so that you can easily clip the Duo Onbuhimo panel into the Duo Full Buckle. This carrier is 1/2 the Duo system and to tandem baby wear you would need to purchase the Duo Full Buckle.
Mer = everyday carrier that can go in water! Soft swim nylon and soft board short material plus some special foam, allow these carriers to be worn wet or dry. Swim material is light and breathable just like your swimsuits!