Ouch! Glow in the Dark. the future of bondage is here. Designed with an authentic bondage aesthetic. but with the added delight of the glow-in-the-dark properties. the fluorescent green detailing will turn every event into a part. With Ouch! Glow in the Dark. the fun is just beginning when the lights go out.These Ouch! Hand cuffs are comfortable but incredibly secure. Use this toy on its own. or in combination with other products from the Glow in the Dark collection. Ouch!?Glow-In-The-Dark?products must be activated with the sunlight before enjoying it in the dark. - Product dimensions: 30 x 5 x 0.5 cm- Product weight: 80 gram- Splashproof: Yes- Phthalate free: Yes- Materials: 90% PU Leather. 10% Metal