50PCS Glow in the Dark Stone Luminous Sea Aquarium Decor Feature: Pebble style, perfect for decoration. Suitable for fish tank, pebble road, wall, vase, flower pot, swimming pool etc. Material: Photoluminescent pigment + resin Size: 2.5cm-5cm (approx.) Color/style: as shown p> Quantity: 50 pieces/1 bag After exposing these pebbles to strong daylight for half an hour, these pebbles can be illuminated in the dark within 5 hours. Note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you
