Features:<br />High temperature fired glass material.<br />Heavy enough， approx 1.2&quot; long for each bead.<br />Tumbled matte surface and round edge.<br />Great for fish tank or aquariums.<br /><br />Specifications:<br />Color: Blue / Mixed Color(Optional)<br />Material: Glass Stones<br />Weight: 500g / 17.6oz<br /><br />Note:<br />1. They are non-luminous stones， will not shine.<br />2. You&#39;d better wash them firstly before putting them into your fish tank.<br /><br />Package List:<br />1 * Pack of Glass Stones(500g)<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/L/H19219BL/H19219BL-1-becd-4ELb.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/L/H19219BL/H19219BL-1-becd-31eA.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/L/H19219BL/H19219BL-1-becd-BvZW.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/L/H19219BL/H19219BL-1-becd-6HAW.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/L/H19219BL/H19219BL-1-becd-tyTT.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/L/H19219BL/H19219BL-1-becd-Io5v.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/H/L/H19219BL/H19219BL-1-becd-JARI.jpg" /><br>