How do I know if this mattress will fit my frame? - Lay your futon frame out flat in a bed position and measure the length and width. Compare your measurements to the mattress size below. The actual thickness of the mattress does not affect the size that you need to order. • Upholstered in durable colored twill fabric and natural colored tufts • Tufted futon cover for a clean luxury upholstered look (note: cover is non-removable) • Premium, excess tufting ensures components remain in place, reducing shifting and lumpiness • Multi-layer of high density block foam provides uniformity and resilience for greater comfort and support • Individual wrapped coil springs respond to pressure and weight independently, allowing the mattress to naturally contour to your body for pure enjoyment and relaxation • Premium, natural cotton and poly blend reduces moisture and maintains a moderate temperature for ultimate sitting and sleeping experience • Expertly box stitched enhancing longevity and durability • Meets and exceeds rigorous CA117 fire safety test • Medium-soft support (material base rated) • Four year manufacturer's warranty Mattress size dimensions: Chair: 28" x 54" Chair Ottoman: 28" x 21" Twin: 39" x 75" Twin XL: 39" x 80" Loveseat: 54" x 54" Loveseat Ottoman: 54" x 21" Full: 54" x 75" Queen: 60" x 80" Shipped rolled, compressed, and shipped vacuum packed. Allow 1-2 weeks for the mattress to fully expand. Made with natural fibers and materials, aromatics are normal.