BOZTIY Japanese Floor Mattress 4 in, Polyester Fill Tatami Mat Sleeping Pad Foldable Roll Up Mattress, Queen, Green I1327138-GE-QUEEN@1 - The Home Depot
Amazon.com: KITBRHOME Tatami Mat (Full XL 83" x 55" x 0.5"), Japanese Traditional Tatami Mat Mattress, Rush Grass Floor Tatami Futon Mat for Sleeping, Sitting, Yoga, Relaxing (Full_XL) : Home & Kitchen
The Secrets of the Tatami and Making them for 6 Generations - Kokoro Media