Clif Shot Bloks Energy Chews are a semisolid, easy to chew source of carbohydrate. Perfect for performance cyclists during activity. They're our preferred energy chew and they're the official nutrition supplier for the Prudential Ride London 2017. They're the perfect substitute for messy energy gels and fit easily in a backpack or bag. The 'Tropical punch' Flavour along with 'Black Cherry' contains a 25mg caffeine supplement. Each individual packet contains 6 chews.