Silicone thumb ring is made of 100% silicone, size can be customized at your request for this price, bossed filled color 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 protect phone falling from your hand. We accept small quantity request, adult & children size, PMS color and logo customization.