QALO Men Outdoor Black Silicone Ring QALO "Outdoors" rings are so much more than a rubber ring. They provide a safe, functional alternative to the traditional metal wedding band. Features: Dimensions: Men's .87cm wide, .15cm thick Women's .55cm wide, .15cm thick Tensile Strength: 19lbs of force to break Elongation: ~489 Non-Conductive Non- Porous