The stats are very clear, used coffee grounds are literally dumped by cafés and little thought given to their recycling. Incidentally the grounds are good raw material for dehumidification, deodorization and compost. However, today we focus on the ECO Sleeve Maker, which compresses and converts used coffee grounds into sleeves for the coffee cups. Of course we need to add water and a little bit of sugar to fashion a stiff sleeve, moreover we can dispose the sleeve as compost