WEBAmazon.com: 30 Inch Rug. 1-48 of over 7,000 results for "30 inch rug" Results. Check each product page for other buying options. Price and other details may vary based on product size and color. Overall Pick. OLANLY Indoor Door Mat, 30x17, Non-Slip Absorbent Resist Dirt Entrance Mat, Washable Low-Profile Inside Entry Doormats for Entryway, Grey.