If you're a Bath & Body Works customer, watch your mailbox for a possible mailer with a coupon for FREE Wallflower Refill (up to $7.50 value) at Bath & Body Works — no purchase required. Just show your coupon in-store to get your freebie, or check the back to see how you can get it online! Please note that these mailer coupons vary for each person so not everyone will get this.