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 longer3d 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 longer3d checkout system or a customized checkout system that accepts the coupon.

Surely yes, longer3d's birthday is a special occasion for customers to enjoy a bunch of great discounts, and attached are valuable gifts you can miss out on.

Shop at longer3d on Family Day, Father's Day, and Mother's Day to save for your family with numerous coupons. Additionally, shopping as a regular customer, you can get your Birthday Coupons or special offers.

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 longer3d.

Yes. Like all other stores, longer3d offers a number of Cyber Monday Coupons. Don't forget to check the expiry date before making your purchase.