Farmskins $5 Wallet Card

In order to activate this wallet code and fill your balance you need to:
 

Copy the code that you’ve received.
Visit https://farmskins.com/ and sign in with your Steam account.
Press "ADD FUNDS" button in the top right corner.
Choose "Wallet Code" option and paste the code you've received into the code field.
Your balance will be filled up for the sum equal to the price of the Wallet card.