A contract for health studio services shall include all of the following:
"BUYER'S RIGHT TO CANCEL
If you wish to cancel this contract without penalty, you may cancel it by delivering or mailing a written notice to the health studio. The notice must say that you do not wish to be bound by the contract and must be delivered or mailed before midnight of the third business day after you sign this contract. The notice must be mailed to . . . . . . (insert name and mailing address of health studio). If you cancel within the three days, the health studio will return to you within thirty days all amounts you have paid."
RCW 19.142.040