Ancol Playtime Chase Glow in the Dark Knots. Glow in the Dark Knot is perfect for dogs who love to run and retrieve. Glows in the dark Available in Pink/Purple, Red/Blue & Black/Lime. This toy is not indestructible. Please supervise your dog when they play with this toy. We are committed to reducing our packaging and using recycled and recyclable packaging. This item is supplied with packaging that is widely recycled. Size 32cm