This item is a Magic the Gathering playmat, from the Grand Prix Beijing 2014, featuring custom artwork for the event.
The playmat is foil and embroidered, i.e. it has been stitched with thread on the borders to improve durability and to make it even more visually stunning.
This item is of considerable rarity since it was never sold outside of the event.
The playmat size is around 35cm x 60cm.