Afterburner Glowing Rings Brand new, unused. Purchased from COUNTYCOMM®, an American company that sells MARATAC and other products. *5% OFF for bulk purchases. No price reduction for single items. Set of 5 ring parts that can glow by absorbing light from various sources such as sunlight and smartphone lights. By attaching them to key rings or zippers, you can quickly recognize them even in dark situations. The rings and tags were developed based on requests for parts to be attached to gear and zippers from SAR (Search and Rescue) teams. The material is heat-resistant silicone rubber. Compared to commonly available glow-in-the-dark materials, it is surprisingly bright and can glow for up to 24 hours, while most have a glow time of around 12 hours. They are useful in various everyday situations, such as marking outdoor gear, key rings, USB drives, and bag zippers. ● Size: Φ2.5 x D0.4cm (center hole Φ0.7cm) ● Material: Silicone rubber / Heat-resistant silicone rubber ● Product weight: 2.8g (per piece) ● Product heat resistance: 200℃ ● Made in USA