KOS will offer the free shipping code with the specific conditions for each order. For the order over 55%, you can purchase for free shipping with a weight not exceeding the allowed quantity.

Most Big Discount Events of the year witnessed a vast number of coupons from KOS released. Especially, on federal holidays such as New Year’s Sale, Thanksgiving, Christmas... or on other important days such as Valentine’s Day, Easter, and Father’s Day..., customers also can buy at KOS with numerous coupons.

Once you find available coupon codes and are approved by the KOS official store, you can submit them to us at Coupon Submission. We are not responsible for the reliability of coupons provided by customers.

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

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

Gift Cards from KOS are usually offered on major discount days or to loyal customers. If available, it will be shown. Let's check the coupon list.