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 use the Tula 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 Tula checkout system or a customized checkout system that accepts the coupon.

Normally, one discount code is only applied for one offer. However, If the users put a vast of items in their cart, it is easy to use one coupon code to purchase items. It depends on Tula's policy, you can contact Tula via mail for your reference.

Our advice for you to use Tula Coupon effectively is to choose the right day.
Like thousands of other consumers, the time of promotion is when they choose to
shop at Tula, so take advantage of coupons released on those days to save.

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 Tula.