OctoRose Twin Size Elastic Around on Backing Bonded Micro Suede Easy Fit Fitted Futon Cover (RoyalBlue) Bonded Micro-suede futon cover in Twin size Size: Twin size 39x74", It can fit 6 - 8" thick futon mattresses The Futon cover with elastic all around on bottom of mattress Machine Wash cold. Iron if necessary. What is bonded micro suede? Bonded Micro-Suede is a durable, double stitched type of micro-suede. It is a very strong material, so you don't have to constantly replace the futon covers. And even though it's durable, you will still feel the softness of the micro-suede material.