It is very difficult to tell what they are made of in the description. They are definitely not "rocks" or "stones". You will come back.
5.7lb Black Small Decorative Pebbles - Versatile Gravel River Rock for Succulent Gardens, Home Decor, and Vase Fillers
8 Review
π¬ Stylish and Durable Black Mesh Desktop Letter Sorter - Perfect for Organizing Letters on your Desk
8 Review
π Enhance Your Aquatic Habitat with Pisces Midnight Pearl Aquarium Gravel!
9 Review
Enhance Your Indoors And Outdoors With Galashield'S Polished Pebbles For Plants, Vases, Aquariums And Landscaping - 5 Lb Bag
11 Review
Greenpro Micranthemum Monte Carlo: Live Large Pearl Grass Aquatic Plant In Tissue Culture Cup For Freshwater Fish Tanks And Aquariums
49 Review
Mini pump Xiaomi Mijia Electric Pump 1S, plastic, black
55 Review
Vacuum cleaner TEQQO Aquastick 3 in 1 Power, grey/turquoise
26 Review
Jasonwell Magnetic Aquarium Fish Tank Glass Algae Cleaner - Floating Brush (L Size)
37 Review