twin mattress - 8 inch hybrid innerspring mattress in a box,koorlian cool comfort mattress with breathable soft foam and pocket spring,mattress-twin size,180 night trial koorlian <p>koorlian hybrid mattress </p> <p>get your sweet night</p> <p>comfortable & supportive hybrid mattress</p> <p>sleep more soundly</p> <p>bed mattress in a box & </p> <p>about koorlian </p> <p>luxury multilayer foam and breathable knitted fabric cover keeps your mattress fresh and cool,</p> <p>so you can enjoy cool and comfortable sleep all night,wake up feeling refreshed and ready for the day.</p> <p>koolian mattress arrives in a well-packed box so you can easy to move and set up for your room/guest room.</p> <p>please allow 72 hours for your mattress to fully expand after opening.</p> <p>