M&S Collection Assam Tea Our master blenders assess and taste each individual batch of tea. This blend showcases the very best of Assam tea, with the rich soil and tropical climate of the Assam valley shaping its rich, intense flavour. 15 tea bags. Welcome to Collection from M&S, where exceptional quality and intricate attention to detail makes for something truly special. Fairtrade works with farmers and workers so they can earn better prices, invest in their communities and businesses, enhance their livelihoods and protect our shared environment. We contribute more Fairtrade Premium for tea and coffee than any other UK retailer, so farmers can invest more in their future.