JCP.com drops the price on Flannel Sheet Sets by up to 50% off. A best bet is the Twin or XL Twin Set, which drops from $20-$25 to $10.50 to $8.40 with code 4FRIENDS at checkout. Shipping adds $8 or choose free in-store pickup. The best price we could find anywhere else on a flannel twin set is $17. Only the twin and XL twin sizes are available at this price with eight patterns to choose from.