Amazon has the 20-Pack of Jack Link’s Beef Jerky On-the-Go Packs (Original) for $22 - 5% off with Subscribe & Save (can cancel anytime) - 40% off coupon (check “Save an extra” box, eligible on first S&S order for this product) = $12.35 with free shipping on $35+ or with Prime. Each bag has 7g of protein and 50 calories.