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 KOO Home Store eGift Card - Terms & Conditions* Can I use my egift card and a credit card to pay for an order? How do I qualify for free delivery for my online order? How do I redeem a Promo Code?