The The STI Clinic gift voucher can be purchased on the website. It will be sent to the email address you provide within a few hours of the purchase. Gift vouchers can be used as payment for items purchased. Gift vouchers cannot be retrieved or exchanged for money. Gift vouchers can be used at all The STI Clinic shops and all affiliates. Gift voucher balances can be checked on the The STI Clinic website. Gift vouchers can be exclusively customised and can be sent to third parties.