SwaddleDesigns Marquisette Swaddling Blankets are breathable, lightweight, 100% cotton blankets designed to keep baby cool in warmer environments. Each blanket comes with our signature 123 Swaddle label with easy how-to-swaddle steps sewn to the edge of the blanket. Marquisette is crafted from cotton that is superior in length, strength, and smoothness to create a very soft and premium quality blanket that will get softer with every wash.