S = Kids' Size, L = Adult Size | 180degree(s) Wide-View Panoramic Vision (2-Pack): Features oversized, high-definition panoramic lenses that provide a crystal-clear, distortion-free underwater field of view. This highly cost-effective 2-pack set is ideal for sharing with a partner or keeping as a spare backup. Leak-Proof and Zero-Pressure Comfort Seal: Crafted from ultra-soft silicone, the goggles create a perfect, watertight seal that feels gentle against the skin. The ergonomic, soft-touch design effectively prevents pressure marks or discomfort around the eyes. Anti-Fog and Uv Protection: Advanced anti-fog technology ensures your underwater vision remains consistently clear, while a Uv-protective coating effectively blocks harmful sun rays to safeguard your eyes. Quick-Adjust and Anti-Tangle Strap: Equipped with a one-touch quick-release buckle for effortless and rapid fitting. The elastic, non-slip silicone strap is easy to adjust and designed to prevent tangling or pulling on your hair. Integrated Earplugs and Nose Clip: The soft silicone earplugs offer a comfortable fit and excellent sealing, effectively preventing water from entering the ear canals. The detachable nose clip design further helps prevent leaks and lens fogging, and can be removed to accommodate advanced training requirements. Weight: 0.57 lbs.