Amazon.co.jp: Futon Base-A-90 x 200 cm (35 x 79 inches) Portable Bed Mattress, Easy to Handle for Women, Lightweight Type, For Walking, Picnics, Mattress, Tatami Mat : Home & Kitchen
Amazon.co.jp: Nishikawa Futon Mattress (Over 70,000 units in the series) Point Support, Health Futon Mattress, Single, Approx. 35.8 x 76.8 inches (91 x 195 cm), Thickness: 3.5 inches (9 cm), 200 Newton,
DHP Carson 6 in. Plush Thermobonded High Density Polyester Filled Tight Top Full Black Futon Mattress 6261309 - The Home Depot
IKEA Jessheim Single Futon Mattress Traditional Japanese TaTami Floor 80x195 cm : futon bed, futon mattress, futon japanese, futon chair, futon sofa bed, futon single bed | Lazada
Amazon.co.jp: Tansu no Gen 18510010 02 (65251) [For Bunk Bed] Semi Single 31.5 x 76.8 inches (80 x 195 cm), Made in Japan, 100% Cotton Blend Triple Layer Construction, Lightweight, Compact : Home & Kitchen