Gem Stones marbles are a perfect compliment to all aquariums.
Made of blown glass, these flat marbles will brighten aquariums with sparkling colors.
Each marble is approximately 1/2" - 3/4" in diameter.
Penn-Plax is a great company that makes a spectacular variety of products for all kinds of pets including small animals, dogs, cats, reptiles, birds and aquarium fish at affordable prices! Our selection consists of mainly their superior aquarium filtration products and aquarium decorations. Check out the selection below!