Three FREE Boxes of Glad Snack Size Zipper Bags at the Dollar Tree Posted by Harbor Master on 14 August 2017, 2:20 pm Tweet Expired The Dollar Tree sells 22 Count Boxes (29 right now after bonus bags) of Glad Snack Size Zipper Bags for $1, everyday. Buy three for $3. Submit for $1 Cash back from Ibotta three times. Three Boxes for FREE! Submit for $1 Cash Back from Ibotta when you purchase any Glad Food Protection Product (any variety or size) (may be redeemed up to three times per receipt) I have a $1 offer on my phone. You may have another amount. I also see one for $.75 off one on my laptop.