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The Shiki Futon mattress features a 5-inch fill of USDA Certified Organic Cotton, delivering a firm and supportive sleeping surface. Designed for use with a traditional tatami mat, the cotton fill responds with consistent firmness across the mattress surface. Organic cotton's natural breathability keeps the sleeping surface cool while providing effective insulation, making it suitable across seasons. The biodegradable and renewable cotton construction is built to maintain its integrity with proper long-term care.
