Prisms River Rock is residential patterned carpet that is made of eColor. EColor is a solution dyed carpet fiber that is made in America. Since its solution dyed, the color is the same all the way through and is permanent. EColor is also bleach resistant and can withstand soil and wine.Prices listed are cut prices. Roll prices may be up to $1.25 per square yard less. Call or request a quote today to see if your order qualifies. Most orders over 166 square yards qualify for roll prices. Short rolls of random sizes may also be available which qualify for roll prices.