kosterina site sometimes offers many students discounts to save more study costs on a few occasions, so you need to check our site on some special events. If we offer a great discount at that time, you can utilize the coupons to save money.

Shoppers can get coupons for their first purchase at the store. However, it is not all the time, sometimes, they cannot apply a discount on items selling out or items not contained in the promotion program. It depends on the time you shop at kosterina.

Yes. The old coupons from kosterina will be kept on the page if it has not expired. New coupons will continuously be updated.

Yes. Like all other stores, kosterina offers a number of Cyber Monday Coupons. Don't forget to check the expiry date before making your purchase.

It is hard to see a Sitewide Discount of 50% from kosterina on normal days. It's easier for you to shop on federal holidays or important days of the year. New Year’s Day, Thanksgiving, Christmas, Military Day...are recommended.

At the time of updating, kosterina has not applied Student Discount all year round yet. Check the official store and reach out to the customer support team to be clear.