Mainstays 100% Cotton Yarn - Blue Shell - 3.5oz 180yds - 4 Medium Weight - Walmart.com
Amazon.com: Cotton to The Core Medium Weight #4 Extra Soft Baby Cotton Yarn for Knitting Crocheting Blankets, Heathered, 3 Skeins, 654yds/300g (Baby Pink)
Premier Home Cotton® Solids and Multis – Premier Yarns