DealGenius offers the Samsonite 10-Piece Vacuum Storage Bag Set for $19.99 with free shipping. That's the lowest total price we've seen for these bags in this quantity, and $4 under a smaller 9-pack elsewhere today. (For further comparison, we saw three bags for $7 three days ago.) These bags are airtight, waterproof, and accommodate any vacuum hose.
Also available is the Samsonite Hanging Vacuum Storage Bag for $6 with free shipping. That's another price low, this time by $10. Deals end today.