SwaddleDesigns SwaddleDuo includes two premium, lightweight and baby soft cotton swaddling blankets. The Ultimate Receiving Blanket is an open weave, preshrunk flannel made in the USA - for moderate to cooler environments. The Marquisette Swaddling Blanket is an imported, breathable cotton blanket - for warmer temperatures. With this Duo parents will be prepared for a range of temperatures. When you are dressing baby, remember the SwaddleDesigns Goldilocks Guide: Baby should not be too hot or too cold, but just right. With SwaddleDuo, parents can select the appropriate fabric for any climate. New parents love the exclusive 123 Swaddle label with easy how-to-swaddle steps sewn to the edge of the blanket. Circus Fun Duo includes our Big Dot Little Dot Ultimate Receiving Blanket and Safari Fun Marquisette Swaddling Blanket. Machine wash warm, tumble dry low.