GLOW IN THE DARK WILLY STRAWS - PACK OF 9Turn off the lights and watch your hens night come a light! Our Glow in the dark straws will glow right before your eyes, all you need is a dark room or space and the straws will automatically start glowing.They make great table decorations, will guarantee a laugh and make drinking your drink a lot more exciting ...especially in the dark! Length: 18.5cm .Channel dia.0.7cm