Distinctly exquisite keychain works as a mini light as well! Due to its handy size、 it is lightweight for convenient carry. Built-in ring makes this keychain easy to hang on other articles、 just like bags. As to this small gadget、 it is made with premium alloy and plastic materials、 of great structure and hardness. No any battery required、 it supports self-luminous for 10 years. Besides that、 this keychain supports waterproof performance up to 100m. How fantastic it is!                                    <p>Features</p>            <ul><li> Glow continuously for 10 years</li><li> Bright and visible unique clear white glow</li><li> Completely contained and self-powered</li><li> Perfect for tagging zippers (on tents or bags)、 tying on keychains、 flashlights、 etc.</li><li> High-class alloy and plastic ensure its good durability</li><li> Easy to hang on any article for decoration   </li></ul>                                                            <p>Specifications</p>            <table width="100%" border="0" cellpadding="0" cellspacing="0"><tbody><tr><td width="131"> Waterproof</td><td width="365"> 100m</td></tr><tr><td width="131"> Light Color</td><td width="365"> Pink</td></tr><tr><td width="131"> Weight</td><td width="365"> 0.18oz / 5g</td></tr><tr><td width="131"> Dimensions</td><td width="365"> (0.20 x 0.20 x 0.79)" / (0.5 x 0.5 x 2)cm (L x W x H)</td></tr><tr><td width="131"> Product Color</td><td width="365"> Silver & Transparent</td></tr><tr><td width="131"> Keychain Material</td><td width="365"> Alloy</td></tr><tr><td width="131"> Tube Shell Material</td><td width="365"> Plastic</td></tr><tr><td width="131"> Size</td><td width="365"> S   </td></tr></tbody> </table>                                                            <p>Package Includes</p>            <ul><li>1 x Trit Vials Self-luminous Keychain </li></ul>