To change the color of the towels - change the color in the VrayColor node.

Bath Towel:
Number of Bath Towels Included: 5
Bath Towel Length - Top to Bottom: 54 inch (137.16mm)
Bath Towel Width - Side to Side: 30 inch (76.2mm)
Bath Towel Thickness: 0.25 inch (0.64mm)

Hand Towel:
Number of Hand Towels Included: 5
Hand Towel Length -Top to Bottom: 28 inch (71.12mm)
Hand Towel Width - Side to Side: 16 inch (40.64mm)
Hand Towel Thickness: 0.25 inch (0.64mm)

Model:
Model rendered with VRay 3.6.
Used VrayFur, VrayDisplacementMod, TurboSmooth
Units used: millimeters.
dimensions scene: 1955mm x 2460mm x 1470mm

files:
1) archive with 3ds max2018 VRay 3.6 file and textures.
2) archive with 3ds max2015 VRay 3.6 file and textures.