The follow-up from the Original Piep is the Original Mini swaddle bag, which design centers on the developmental stage of a baby from 3-6 months. It is during this time that most babies start to roll, which means that, for your babies safety, it is time to wean from swaddling. Like The Piep, The Mini swaddle bag offers the same protected feeling through a uniquely designed inner-vest. However, The Mini allows more room for your baby to move and, through zips in the armholes, provides an option for baby’s arms to be inside or outside of the bag. This will help with the transition from swaddling to sleeping in a sleeping bag.