SOUJOY 3 LB Small Aquarium Substrate Gravel Sand, Polished Smooth Fish Tank Gravel, Black Crystal Chip Stone, Natural Decorative Mini Pebbles for Potted Plant, Vase Fillers, Fish Tank Rock

Size: About 4-6mm (0.16 - 0.24 Inch), weight: 3 pound, color: black. Polished aquarium gravel sand in irregular pieces, undrilled

Nature Material: SOUJOY Fish tank gravel is made of selected crystals with irregular shapes, which feature is gentle, uncoated, resist fading for long-lasting beauty

Fish Tank Decoration: They are safe for fish, animals and plants, and they won't alter your aquarium's water chemistry

Perfect for Plant: The crystal chip stone could reduce the splashing water when watering the flowers, prevent the loss of nutrients and soil which keep the potted plants grow healthily

Multi Purpose: The mini pebbles are good for fish tank, flowerpots, succulent, vase fillers, essential oil bottle infusions, garden, fountain and more