Catch eyes and impress after dark with the illuminated promotional power of this huge light up promotional gem ring. This cool illuminated promo features a blue LED light color that corresponds to the colored plastic top of the ring. A one size fits most product is great for easy giving at a wide variety of promotional events and occasions. They're CPSIA compliant for your total peace of mind. Batteries are non replaceable. This product is not suitable for children under 5 years of age.