Daisy White 6" Bunkie Board Combo Mattress - Twin XL, 80"L X 39"W X 6"H, 50lbs. 6" & 8" Combo Mattress (Twin XL) Features: Quilting: Chiropractic Fabric, Multi-Needle Diamond Quilt, 3-Layer Quilting Padding: 4" Of 8 Oz Polyester Fiber Batting Stitching: Tex-45 Flameout Firefly Yellow Thread Safety: Quilted Fire Barrier Construction: �North American Lumber, Multi-Slat Support Construction Protection: 2" Corner Guard Protection US-Made (Incl. Foreign Materials)