Twinings' pure peppermint enveloped tea bags contain all-natural ingredients with no added sugar and are caffeine free. They are made with soft green peppermint leaves that are rich in essential oils. Ideal for hotels, resorts, guesthouses and B&Bs, these Twinings tea bags are biodegradable. They will break down within 6 months if placed into a local authority compost caddy, though they may not compost as quickly if left in garden compost (as typically these are not sufficiently hot) . Ingredients: 100% Peppermint. Nutritional Info (per 100g) : Energy 10kj/2Jkcal, Fat 0. 0g, Saturated fat 0. 0g, Carbohydrates 0. 0g, -sugars 0. 0g, Fibre 0. 0g, Protein 0. 0g, Salt 0. 0g.