Tied with the Portion Pouches, the 8" x 20" Vacuum-Seal Roll is what I use all the time both for left-over portions destined for the freezer and to 'double seal' packaged foods for longer-term storage (i.e., pasta, freeze-dried potato mixes).  Having a 3-pack means that I won't run out of the product when I need it most.  I recently purchased the model V5860 Bag Sealer system to replace my aging V2220 sealer and the 8 x 20 roll is what I'll put in that, ready to go whenever I need to vacuum seal.  I didn't get this item for free but I may have used a coupon code for the purchase.