Stretchy wraps are long pieces of soft, stretchy fabric that are wrapped around the wearer and baby to create a snug and secure hold. They are especially suited for newborns and young babies, offering a womb-like environment. These wraps distribute weight evenly and are comfortable for long periods, though they can feel warm in hot weather. Stretchy wraps are ideal for beginners due to their forgiving nature and ease of adjusting the fit.