High Quality Material—Fish tank decorations stones are made of high quality, environmentally friendly and safe. The fine craftsmanship provides you with a smooth surface without sharp edges. Reusable—Fish tank stone ornaments repeatedly absorbs light and emits light. They absorb and store energy after being irradiated by visible light such as sunlight and lights, and can naturally emit light in the dark for a long time. Many Shapes and Colors—90 pieces have bright colors and different marine animals shapes. Each pack of resin stones brings you colorful light in the dark, adding a whimsical atmosphere to your garden. Multifunction—Pebbles are ideal for decorating fish tanks, gardens, flower pots, potted plants, sidewalks and driveways. Luminous stones glow can be used as decorations for transparent glass vases, bar decorations, and childrens games. Shine in the Dark—Each package of resin stones will provide you with a luminous feast in the dark, adding a dreamlike atmosphere