Expires: March 16, 2022 Voucher instructions are emailed immediately after purchase, and are immediately available at Rocketgrab.com by logging into your account and visiting the “My Account Section”. Rocketgrab Plus Vouchers are not snail-mailed. Vouchers are not valid until the 1st of the month. Vouchers have no cash value and must be used in full in one use. One voucher per person per visit. Promotional Value of this deal is good for one full year. After the expiration date, the paid value will be honored by the business for a minimum of 5 years.