Frank Lloyd Wright Colored Darwin D. Martin House Welcome Doormat. Brand: Frank Lloyd Wright. Item Weight: 4.75 Pounds. Pile Height: Low Pile. Construction Type: Machine Made. Indoor Outdoor Usage: Both. Is Stain Resistant: No. Other Special Features of the Product: Non Slip. Water Resistance Level: Water Resistant. Back Material Type: Rubber. Product Care Instructions: Spot Clean Only. Rug Form Type: Doormat. Item Dimensions L x W: 30″L x 18″W. Number of Pieces: 1. Brand Name: Frank Lloyd Wright. Item Type Name: Doormat. Unit Count: 1.0 Count. Inspired by the Pier Cluster Windows design in the Frank Lloyd Wright Darwin D. Constructed of coir fiber pressed into a rubber base. Dimensions: 30 inches x 18 inches. Official Frank Lloyd Wright Collection item. The Frank Lloyd Wright Darwin D. Martin House Welcome Mat Doormat is inspired by the Pier Cluster Windows design in Wright’s Darwin D. This doormat is constructed in coir fiber pressed into a rubber base. The generous proportions of this mat are 30 inches by 18 inches. Officially licensed by the Frank Lloyd Wright Foundation.