iTech Deals offers Samsonite Large Vacuum Clothing Storage Bag 3-Pack for $8.49. Coupon code "3PCSET" cuts the price to $7.49. With free shipping, that's tied with our mention from two weeks ago and the lowest total price we've seen for the 3-pack. (It's a current price low by $17 for a similar 3-pack.) They're airtight, waterproof, and accommodate any vacuum hose.