Set of 100 artificial stones. Keep children away from suffocation! It is a good gravel decoration for your garden, yard or aquarium. Place the star stickers on the sun to absorb enough light during the day so they can shine better at night. li> Material: photoluminescent pigment resin. Size approx. 17.12 cm to 6.7.4.72 inch (L.B). Description These colorful pebbles can be used as decoration for aquariums, plants, vases or other places. Ideal for decorating aquariums to make your aquarium shine and beautiful Place the star stickers in the sun to absorb enough light during the day so they can shine better at night. Br> Functions -Color: Mixed color. Br> -Material: photoluminescent pigment andamp; Resin. Br> -Size approx. 17 to 12 cm to 6.7.4.72 inch (L.B). < Br> -Set with 100-piece artificial stones. < Br> -Place the star stickers in the sun to absorb enough light during the day so they can shine better at night -It is a good gravel decoration for your