I found the five dollar coupon they give in the bag very useful, because you can purchase some really nice sheet masques on the Macy's site for around that price.
I used the coupon to get an Origins Flower Fusion Sheet Masque, and my total was two dollars and change after the coupon, free shipping, plus there was a special where I am getting a Shiseido Ultimune packet sample with my order. This was a good deal. There are some nice Tony Moly masks, and you can buy one SK-II sheet mask with the famous essence for 17 dollars, so 12 with the coupon. I love this deal!