Arizona Tile Tumbled Limestone, 4-by-4-Inch Tiles, Seagrass, Includes 5 Square Feet. Tumbled stones are as wonderfully unpredictable and unique as nature itself, adding charm and distinct personality to spaces small and large, indoor or outdoor, casual and extravagant. Tumbled stones are can be installed in any of the following applications: commercial, residential, interior, exterior, floors, walls, backsplashes, fireplaces, tub surrounds, showers, and vanities. Seagrass is a unique limestone, full of fossilized shells that will vary from piece to piece. Quartz veins and some gray areas are normal characteristics of this stone. As a natural stone product it is recommended that it be sealed to extend its longevity. Due to the nature of the tumbled finish, a stone-enhancing sealer will help to accentuate the natural colors in the stone that may be subdued after going through the tumbling process.