- Lightweight & Portable: Our Rush Grass mattress is only 3.5 cm thick, making it easy to carry and store. Ideal for picnics or yoga classes, it won't take up much space. - Premium Quality Materials: Constructed with 100% natural Japanese rush grass on top and a non-woven fabric on the bottom, this mattress is designed to protect your flooring while ensuring durability and comfort. - Size & Compatibility: Japanese single size: 90 x 200 cm, perfect as a futon mattress topper for floor sleepers or as an additional layer for extra comfort. - Humidity Control: The unique structure of natural rush grass helps regulate humidity, keeping you dry and cool in the summer while retaining warmth in the winter. It serves as an excellent base for your futon mattress. - Versatile Applications: - Use as a traditional Japanese futon mattress topper for a restful sleep experience. - Perfect for meditation or yoga, offering a soothing surface for practice. - Acts as a stylish area rug, providing a pleasant touch underfoot. - Easy Care Instructions: Wipe with a dry cloth before use. To prevent moisture build-up during winter, store in a cool, well-ventilated area and ensure it remains dry. Discover the comfort and practicality of our Rush Grass mattress—crafted for modern living while preserving traditional aesthetics.