The Sea to Summit Ultra Sil Shopping Bag is the perfect tag along for any trip out of the house. The Sea to Summit Shopping bag is made from ultra light, high strength Cordura brand siliconized nylon. The Cordura brand fabric and bar tack reinforced stitching have allowed this bag to exceed a 285 load capacity. Its not just strong but is wider then a typical grocery bag at a massive 25 Liters (6.5 gallons) in volume able to fit 3 gallon containers of milk side by side. Unlike other eco friendly bags the Sea to Summit shopping bag can be stuffed week in and week out without blowing out. At only 1.7oz and packs down to 3 x 2 inch built in stuff stack you'll never leave it at home when you really need it. So whether its convince, strength,saving the world, or just the cool factor the Sea to Summit Ultra Sil Shopping Bag.