Silicone thumb ring is made of 100% silicone, size can be customized of your request for this price, can be bossed on any logo. Perfect for everyday use! As well as at work, crossfit, gym, biking, running, climbing, trekking. Enjoy our silicone rings comfortably through any activity, whilst knowing that your traditional band is safe from being lost/damaged. Can to protect phone falling in your hand. We accept small quantity request, adult & children size, PMS color and logo customization.