This is a brand new and officially licensed Warner Brothers/Back To The Future product. Here is the direct quoted description from the manufacturer:
Hover your way into the future with this XL micro-texture fabric top desk pad and coaster set. As seen in Back to the Future II, this hoverboard style mat measures approximately 800 x 300mm with the coaster 100mm in diameter. Features include a non-slip rubber base and reinforced edges on both the coaster and desk pad.