Briarwood Lane Outdoor Rubber Doormat Tray for 18" x 30" Doormats Go to amazon.com Related posts Top 9 best doormat tray 18x30 for 2022 FeatureRubber DescriptionBriarwood Lane's rubber doormat tray is a great way to add a little pizazz to your doormats. The tray measures 23.75" x 36" and fits mat inserts measuring 18" x 30".