Non-Radioactive – Comfortable & Durable – Environmentally Safe – Safe to Use – Non-Toxic – Waterproof – Fireproof – Reflective Day and Night – Visible Through Smoke & Fog. An excellent safety product which both glows and reflects, helping your dog stay visible and protected. Exposure of the SEE-ME™Collar to natural and/or artificial light for a period of only 2-10 seconds, will result in up to eight hours of detectable Glow-in-the-Dark. The SEE-ME™ Collar’s advanced phosphorescence is not to be confused with novelty glow items! Colours: Red, Blue, Black, Green and Orange.