An anti fatigue Kitchen Rug Gives You A Great Cooking Time. Specification Item Name: Long Kitchen Mat Color: Sunflowers Size: 39 x 20 Inch Weight: 0.8 lb Feature: Anti-Fatigue, Comfortable, Washable and Fade Resistant About Smell and Creases The backing anti skid spot is made of natural rubber, so there might be little smell when you open the package. Just flat it in the air for hours, the smell and the creases will disappear. You can also wash it and dry it in air, the crease and smell will disappear very soon.