Meet our multi-layered silicone ring. Inspired by the layers of rock formed at the Earth's surface, Strata's dynamic, two-tone design combines modern style with comfort and durability. Strata is part of QALO's Modern range of fashion-forward rings designed to help you stand out from the crowd. Used. Arrows symbolize focus and determination, serving as a powerful reminder of the importance of setting a clear goal and pursuing it with unwavering conviction. Smoke free home.