Who works with V-Ray version lower than 3.1, pay attention to materials section BRDF (Microfaset GTR (GGX)
Queen size Contour mattress
High resolution texture sets, ideal for close up´s
3 decorative and exclusive custom versions

https://signaturesleep.dhpfurniture.com/products/contour-8-inch-reversible-independently-encased-coil-mattress?_pos=1&_sid=b30c13813&_ss=r 

dimensions
high 8"
width 60,18"
deep 80,33"

poligons 31.776
verts 32.226

additional files
FBX
obj + MTL