To use the de-santis coupons on their website, you need to meet the conditions:

•  The items you choose must meet all coupon requirements as explained in the Terms and Conditions.

• The coupon has not expired. 

• The seller uses the de-santis checkout system or a customized checkout system that accepts the coupon.

Of course not, most coupons may be used only by you when you received them directly from de-santis. As the de-santis coupon includes your User ID, it cannot be resold or transferred in any way.

To avoid this problem, you should check out carefully de-santis promo code before that promo code could be expired, some promo codes are tied to a minimum purchase, a first-time purchase, or tied to geography, and other reasons.

Usually, Coupon Stacking is not allowed at de-santis. However, the store will surely give out notice if available.

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