Thickened 9-Layer Support: This 3.5 in tatami mat features a 9-layer structure with egg-crate foam and 25D memory foam for balanced support and comfort. Its ergonomic design contours to your body and helps protect your spine for a better night’s sleep Durable Skin-Friendly Fabric: Crafted from soft brushed fabric, our tatami mattress feels gentle, breathable, and wear-resistant. Reinforced stitching keeps the filling secure and edges strong, ensuring lasting shape and durability for daily use Easy to Store and Carry: The Japanese tatami mat can be rolled up and tied with straps to save closet space, ideal for small homes. It includes a storage bag for easy transport, letting you rest comfortably in tents, RVs, or your car trunk Fits Any Space: This versatile futon mattress works as a bedroom floor mattress, living room tatami, guest bed, yoga mat, kids' play mat, pet mat, or camping mat. Combine multiple tatami mats for a wider or thicker sleeping area to meet your needs Care Instructions: After unboxing, the Japanese floor mat may take 72+ hours to fully expand. Do not machine wash. Wipe with a damp cloth and air dry in sunlight. For long-term storage, keep in a dry space to maintain fluffiness, warmth, and elasticity