Features: Easy to carry: These stones can be used to create beautiful and somewhat romantic paths, aquarium or garden. This luminous stone can be carried around conveniently because of its mini size. Lasting: With enough sunlight or light, these stones can achieve good glowing in the dark and last. Material: Stone was made of non-radioactive resin, which was eco-friendly and does no harm to human body. Size: The length of the product was 14mm, the width was 11mm. Eco- friendly: What this luminous stone can offer you was that it was eco-friendly, safe and will not affect the aquatic life. Even if it was soaked in water for long, it will not lose its color and will not be deformed. brand new and high quality Specifications: Material: ABS/Resin Size: approx.14x11mm/0.55x0.43in Optional colors: Mixed Color/Lake Blue/Light Pink/Blue Green Blend/Fruit Green/Orange Yellow/Green/Orange Red/Rurple Red/Yellow/Light Green/Peach/Sapphire/White Quantity: 300Pcs/Bag Package Includes: 300xLuminous Stones (other accessories in the picture was not included.) note: Please allow 0-10mm error due to manual measurement. pls make sure you do not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color of the item. Thanks!