Our slip grip ear adjusters are made with a comfy, stretchy, light, and easily detachable silicone material that is perfect for all sizes of our sunglasses and glasses frames (baby, toddler, junior, adult). These anti-slip grips help keep sunglasses in place so they won't slip, bounce, or fall off during workouts, sports, or chasing the kids around the block! 2.25" x 1.5".