You can cancel your agreement with us at any time. (legacylegal.com)
If you are buying your hamper under a lay - by agreement you have the right to cancel the agreement at any time before the goods are delivered to you. (moneysmart.gov.au)
Consumers have 10 business days to reconsider an unsolicited consumer agreement, during which they can cancel the agreement without penalty. (fairtrading.nsw.gov.au)