【5 lbs Mini Aquarium Gravel】Gravel size is 0.4-0.8 mm Black sand. It has a dense composition and zero fines so does not blow around in your tank
【Safe】 No toxins, no foreign matter, natural fine sand. Note: the fine sand has some dust and needs to be washed with water a couple of times before putting it into the tank
【Aquarium Substrate】 Great for placing in the bottom of tanks for betta, ants, lizards, snakes, tortoises and other reptilian pets. Made your tank look vibrant and sleek! and goes with any décor