In Fabulous Imported Japanese Fabrics! Our J-Life Custom Shikifuton Covers are made to order by skilled craftsmen using high quality 100% cotton fabrics imported from Japan. These tightly woven covers are designed to protect your futon and keep it clean. Side-zippered, these covers are easily removable for washing in cold water. Covers are available in five sizes and three thicknesses. Make your choices at checkout. Cot Twin Twin XL Full Queen 30" x 75" 39" x 75" 39" x 80" 54" x 75" 60" x 80" Available in 3", 4" and 5" mattress thickness sizes.