- Made of hard silicone material<br />- Will glow-in-the-dark when it absorbed enough sunlight<br />- Great decoration for your cell phone、 MP3、 MP4、 keychain and bag etc.<br /><br />                                                                                                                                Dimensions: 1.34 in x 1.02 in x 0.67 in (3.4 cm x 2.6 cm x 1.7 cm)<br />Weight: 0.25 oz (7 g)<br /><br />