This Chic Decent Gift Card you purchased from www.chicdecent.com is a kind of product that plays its role as some digital money for the payment purpose.
One card could be transferred to one of your friends [single user] as a gift to shop and place orders to the value that equals to the card amount.  
This Chic Decent Gift Card has no expiry until the card amount used up.
And Chic Decent, sometimes, would issue some gift cards for the promotion purposes.
It could be redeemed at www.chicdecent.com only.
Chic Decent holds the final interpretation.