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 Sleefs 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 Sleefs checkout system or a customized checkout system that accepts the coupon.

Yes, you must have a valid Sleefs account in order to buy an item at the Sleefs site and use your coupon. During the process of buying an item on our site, you can use your Sleefs account to see more of our services.

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

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 Sleefs's policy, you can contact Sleefs via mail for your reference.