In case you enter a discount code during checkout that doesn't exist or isn't currently active, then you can see the message: “Unable to find a valid discount matching the code entered”.

To avoid this problem, you should check out carefully Inertia Wave 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 Inertia Wave. However, the store will surely give out notice if available.

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 Inertia Wave.

For the first purchase at Inertia Wave, you can save up to 58% with our coupons, but you even can save more when buying on Special Discount Occasions.

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