Blue Sky Fibers Organic Cotton Yarn is a similar yarn: cotton, hand wash, 4.5 sts / inch, and on size 7 US needles. You may also like Berroco Modern Cotton Yarn, which is another similar yarn: cotton and on size 7 US needles.
What about yarn that have the same look and feel? Find more yarn with a smooth / uniform and dense texture, and is machine dyed.
Hopefully our suggested project ideas for Cascade Luna Yarn can help you come up with your next exciting new project idea!