The rectangular shaped Premie Pouch device measures approximately 10X15 inches in size. The cover is made of a stretchy, washable fabric such as jersey or fleece. There are two pockets; one to accommodate a foam insert and another will accommodate a bladder insert of soft squishy pellets. The Premie Pouch will come with two cotton/Velcro positioning straps that can be used to provide containment of the infant's arms and/or legs, adding to their comfort when using the device.