Kashmiri Hand woven carpets are world famous. Kashmir Silk carpets usually come in two main variants, Silk on Silk and Silk on Cotton. Silk on Silk means Silk pile on Silk foundation while as Silk on Cotton means Silk pile on Cotton foundation. Another characteristic that determines the quality and price of the carpet is the Knots Per Square Inch (KPSI). Silk carpets are available in different sizes designs and patterns.