Use the ring for a lanyard holder or a tank buffer to prevent glass breaking. 
<br />Any further questions, feel free to contact me. 
<br />5 different colors of the colors shown in the photo. 
<br />They do stretch a little for larger tanks.  
<br />Size:1.5 x1.5cm
<br />Silicon/Rubber rings for vape pen lanyards.  
<br />Color: as picture shows
<br />Material:Silica gel
<br />We will try to vary the mix so you get a good assortment. 
<br />Package include: 5/10p as you chose
<br />These fit a standard 510 vapor pen as well as Evods.  
<br />With this assorted option you will receive 5 rings that may or may not be<p> <b><b><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-large.jpg" noproxy><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-12-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-13-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-14-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-1-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-2-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-3-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-4-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-5-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-8-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-9-orgin.jpg"><img src="https://contestimg.wish.com/api/webimage/59b4bc5c5964c404cdb56c90-10-orgin.jpg></b></b></p>