Make sure your food stays cold for up to 16 hours with freezer packs, and you can bring a picnic with you anywhere you go. With a padded back and adjustable straps, this 900D matte Oxford fabric backpack boasts breathable honey-comb fabric at the back, and measures 7.6 x 10 x 14.5in (19 x 26 x 37cm). It can hold at least 20 cans with two zipper pockets and two mesh pockets, plus it's sturdy, durable, water-resistant, and made with 3-layer thickened EVA material. And, it's available in three colors - blue, black, and gray!