The original woombie, stretchy peanut shaped baby swaddle-one step design. No origami required. Will not unravel like a blanket can, super easy to use and effective. 2 way zipper allows for easy swaddling and diaper changes. Mimics the womb to provide the level of comfort baby experienced during gestation, helping to transition baby from womb to world easily. Patented design, 15 awards for design and innovation. Over a million happy customers and counting.