Trilobal nylon is a very useful fibre, whether used on it's own or incorporated in a blend.
The fibre is trangular in cross section so this causes it to reflect light giving a sparkling effect.
This white nylon will take a dye in much the same way as a wool. Nylon is the only synthetic that has this property.
Trilobal can also be used as a blending fibre to add strength to you finished article. It only takes a small amount added to any natural fibre mix to ensure that your finished article will stay strong for years to come.