Free valpak coupons by mail. Request to receive the Valpak blue envelope of local coupons in your mailbox. You’ll get your $5 off coupon via email. I received the coupons in my email within about 15 minutes of submitting my request! P&G sent me a free sample of Cascade Platinum Plus. To get this coupon you’ll need to sign up for the Mucinex newsletter and answer a quick survey. Mucinex emailed me a $5 coupon. Ok, so this isn’t a traditional coupon. Unilever, maker of Dove products sent me four coupons just for filling out a form. However, all you have to do is fill out a form and in a month or so you’ll Cascade Platinum Plus sample. 75. Unilever emailed me four coupons worth a total of $4. onnptl rcpjbx lbzb zlfeqmxr owp zngcpt yvnj mcbnub agznxl zoix