Firefly’s Contour Plugs - Sexy, smooth and playful. The perfectly designed Glow-in-the-Dark anal plug for skyrocketing pleasure and exciting discoveries. Body-safe Silicone Suitable for all lubricants. - Product Dimensions: 9.6 cm X 7.4 cm X 2.8 cm - Insertable Dimensions: 7.7 cm X 2.8 cm - Product Material: Silicone