99¢ Mrs. Thinster's Cookie Thins at Walgreen's! Here's a delicious snack you don't have to feel too guilty for eating.. Mrs. Thinster's Cookie Thins don't have the artificial ingredients that some cookies contain! Grab this great deal at Walgreen's, starting tomorrow: Buy (1) Mrs. Thinster's Cookies 4oz, 2/$5 (or 2.99 ea) Use $1/1 Mrs. Thinster's Product; Excludes Single View Post