20kg 2-4mm Super Naturals River Black Sand Aquarium Substrate For Fish Tank Vase Fillers, Fairy Garden, Landscaping Black Plant Soil For Pot Decorations

【Natural Rocks and Stones】 Black Small Stones rocks are high-quality, non-toxic and eco-friendly. Decorative rocks are a permanent and cost-effective alternative to annual wood mulching. Their natural attribute will make them last longer because they will not deteriorate like mulch does. After being immersed in water, nothing will float, and the color will not fade after a period of time. 【Perfect Size】These carefully selected gravels are about 1/5 inch on average and vary slightly in shape, creating a more diverse look for your lovely plants. 【An alternative to much】 Use indoors or outdoors，Pebble mulch in interior or exterior garden beds, round and soft easy on the feet as there are no sharp edges. This is a perfect home decor and a creative interior and exterior design ,helps you keep clean and nice all of your decoration places. 【Widely Used】 These decorative gravels are a great addition to your indoor plant, fish tank, aquarium, succulent, cactus, vase, terrarium, etc. 【Extra Benefits】 These gravels also work well in improving drainage and air circulation, helping retain soil moisture and prevent soil erosion.