The fine colored stones are small and smooth pebbles made from natural stone with mixed colors, ideal for aquariums, plant pots, terrariums, and decorative landscaping. The fine colored stones are small-sized, smooth aquarium gravel that creates a colorful and natural tank floor. Safe for freshwater aquariums, they enhance the appearance of your tank setup, support plant placement, and highlight the beauty of the fish. Please note that due to the nature of natural stone, pieces will vary in size, shape, and color.