With the strong colour of blue flowing through the sheets with the Lumino Play – Cock Rings set 4 Pack Glow in the Dark. 4 Set Cock Rings bring a little fun and extra time in the bedroom for your sexy sessions. Cock rings can increase your play time by pausing the blood flow of the cock keeping it harder for longer. With 4 different and playful designs to enjoy and experiment with. Glow in the Dark Blue so the dildo itself is not blue, it’s the glow in the dark powder inside the dildo which brings out the fun glow of blue.Lumino Play – Cock Ring Set 4-Pack Glow in the Dark fun which will bring the party to any bedroom fun. 4 Set Cock Rings Glow in the Dark Blue