Mini But Mighty Gum Wondering what makes Peppersmith's mighty box so mighty? They cram 33 pieces of chewing gum into the Mighty Boxes, so they're not just packed full of flavour they're great value too. Not only that, the Mighty Box range is recyclable making them not only kind on teeth but kind on the planet and its resources too! Sugar Free Chewing Gum Sugar free gum sweetened with 100% xylitol, a naturally derived ingredient that helps keep teeth healthy. Flavoured with English spearmint from Hampshire. Each mighty box contains approximately 33 pieces of gum, and each piece of gum contains 1g of xylitol. Spearmint Chewing Gum Each box contains 33 pieces of gum. Sweetened with 100% Xylitol and flavoured with our proper British mint. They’re the perfect size for all the family to enjoy on long car journeys, keep in your travel bag or have as a desk buddy - ready to freshen you up just when you need it.