Once you have the items you'd like to purchase in your cart, click the Check Out button. After you fill in your info you'll be able to enter the coupon code. Look for the link that says "Add a discount code or gift card". Click on that link and paste your code into the box. Make sure to hit the Apply button.
What is Langly's shipping / return policy?
For U.S. deliveries, all orders are shipped FREE of charge and typically take around 3-8 business days with standard shipping. They will refund or exchange new and unused merchandise purchased from www.langly.co within 30 days of purchase.
How do I contact Langly?
You can email them at hello@langly.co or you can fill out the form on the Contact Us page.