Zionor K2 Kids Swim Goggles with Crystal Vision Allergy-free Comforatable Cushion Adjustable Strap UV Protection HIGH PERFORMANCE - Special designed small frame for kids face shape and reduce water resistance, unique nose gasket for better sealing, fits both round and narrow face. CRYSTAL VIEW & FOG FREE - UV protection and anti-fogging treatments on lens provides clear view without sunlight reflection under the pool and outdoor swimming. SAFE & ALLERGY-FREE - Made of high quality non-toxic silicone and impact-resistance lens. Superior watertight shape prevents chlorine getting in. COMFORTABLE - Optimized cushion on goggle frame provides less pressure, adjustable strap is suitable from 3-15 yrs old. No raccoon eyes after each swim lesson or fun in the pool. Scroll down for more information about tips and suggestions on K2 kids swimming goggles.