3MFT-3875-SB Size: Twin Features: -Material: Memory fiber.-Cover can be zipped off for dry cleaning.-Comfortable stretch knit cover.-Open cellular structure channels heat away from body to keep cool and comfortable.-Eco friendly.-Made in the USA.-Twin: 3" H x 38" W x 75" D.-Extra Large Twin: 3" H x 38" W x 80" D.-Full: 3" H x 53" W x 75" D.-Queen: 3" H x 60" W x 80" D.-King: 3" H x 76" W x 80" D.