Silk Soy Milk Coupons August 2011 Alright! We now have a new coupon for $1.00 off any half gallon off Silk Soy Milk! Silk Soymilk coupon Expires 30 days after print! Remember you can print it twice! This is on my coupons printable page ( Coupons.com) under “Beverages.” Use Zip 80030 Hurry because these go really [...]