$0.50 off any One Frigo Cheese Product (Free 1oz String Cheese at Walmart!) Posted by Harbor Master on 21 August 2017, 10:09 am Tweet The Coupon Expires 10/31/17 (The print limit is two) Click here to print $0.50 off any One Frigo Cheese Product Check you Walmart for Frigo 1 oz String Cheese Snacks priced at $.37. Better than Free after the coupon above. $.13 Moneymaker!