How do I use a KOO Home Store eGift Card? Use your KOO Home Store eGift Card to purchase products on our online store, like you would with a credit card. Related articles How do I sign up for a KOO Club Membership? What is a KOO Home Store eGift Card? How do I redeem a Promo Code? How long is the KOO Home Store eGift Card valid for? KOO Home Store eGift Card - Terms & Conditions*