Sexual Positions Voucher Book is a Hilarious voucher book with 10 vouchers covering 10 different sexual positions it is the most fun you will ever have exchanging vouchers. You can use it as a reward when the recieving party deserves that something special. I know that it beats a kmart voucher hands down. It also provides motivation to get other vouchers its an amazing training tool as well as a fun toy to add a little spice to your life.