Nepal’s Natural Dyeing Tradition: Why Hand-Knotted Rug Colors Last Decades

There are antique Tibetan and Nepalese rugs in museum collections and private estates that are over a hundred years old. Their colors have not faded to grey. They have deepened – a quality that collectors call patina and that textile scholars attribute to the combination of high-lanolin wool and plant-based mordant dyeing that was standard […]

KPSI Explained: What Knot Density Actually Means for Your Rug Specification

Most buyers encounter KPSI on a rug spec sheet and treat it like a quality dial. Higher number, better rug. Turn it up. This is the most common and most expensive mistake in rug sourcing. KPSI is not a quality score. It is a production specification – one that only adds value when the design […]

Himalayan Wool vs New Zealand Wool: What Rug Buyers Must Know

Most rug spec sheets list wool as a single ingredient – as if all wool is interchangeable. It is not. The difference between Himalayan wool and New Zealand wool is not a marketing distinction. It is a fiber science distinction: different staple length, different lanolin content, different dye uptake, and a different performance profile over […]

How to Order a Custom Hand-Knotted Rug: Step-by-Step

Most buyers who approach a custom rug manufacturer for the first time have the same fear: they don’t know what they don’t know. What files do I need to send? How long will this actually take? What happens if the sample is wrong? Can I order just one piece? At NP Rugs – manufacturing hand-knotted […]