Amazon has the AmazonBasics Travel Rolling Compression Bags, No Vacuum, 10 piece
For $4.21(add on item) was $15.99.
10-piece set of space-saving compression bags for travel or storage, includes 5 medium and 5 large bags
Simply roll to push out all the air through one-way valves at the bottom of the bag—no vacuum or pump needed
Double-zip closure ensures an airtight seal; reusable design
Protects stored items from dust, dirt, dampness, odors, mildew, moths, and more
Backed by an AmazonBasics limited one-year warranty