Pile height can vary up to .25". 81 knots/sq. inch. Recommended for high-traffic areas. Designed for the busiest areas of the home, high-traffic rugs are ideal for entryways, hallways, stairs, family rooms, and kitchens. High-traffic rugs and Performance Rugs are also great options for households with children and pets. Handcrafted rugs may vary in design, color, pattern, size, and weight; adding character to each piece and making it truly unique.