McHappy Day returns this May the 6th, and every pair of socks that you purchase helps families with sick children staying at Ronald McDonald Houses across Canada. They are available for a limited time only, and while supplies last A portion of the proceeds from every menu items sold at McDonald’s Canada’s on May the 6th will go toward this cause.

You can also make donations in the amounts of $2, $5, or $10, and get a McHappy Day Heart. In addition to the socks, other special merchandise will be available, including tote bags, bucket hats, and more. You can also opt to round up your order to the nearest dollar, and the difference will be donated. Donations can be made directly to Ronald McDonald House, and you can do so through the link below.

Click here for more information about McHappy Day at McDonald’s Canada.