Illuminate your darkest pleasures with the Lumino play penis ring. This ring offers plenty of thrilling fun after the lights go down. Infused with non-toxic glow powder, it emits a colorful blue light in the dark. Made from TPE materials, it is safe and budget-friendly. Soft and flexible, yet sturdy enough for vigorous play, it can be worn around the cock, balls, or both. Its supple and squishy form stretches to fit most sizes, making it an ideal accessory for enhancing flaccid penises or erections. This glow-in-the-dark penis ring guarantees an unforgettable night of fun. For the best glow effects at night, expose the ring to light during the day. Wash with warm water and mild soap, and store in a cool, dry place away from other toys. - Made with body-safe TPE. Phthalate-free. Latex-free. - Infused with non-toxic luminous powder. - Features a blue color with a blue glow. - Unstretched Outer Diameter: 3.8 cm/4 cm/4.3 cm - Unstretched Inner Diameter: 1.6 cm. It may help achieve a stronger erection and delayed ejaculation. As with all penis rings, do not wear for more than about 20 minutes at a time.