Design: Leakproof, Anti-fog 4Shape: Fit most of , suit for round , oval , slender , melon , square and so . Seal: Shock absorption and pressure seal。 Straps: High flexible straps, adjustable. According to the 3D ergonomic design, it fits the eye socket comfortably, and the double-layer sealing silicone . Effective anti-fog, clearer vision. The tension of the buckle of the strap is adjustable, easy and convenient, and it is convenient and firm. Scenes: swimming pool, seaside, surfing. Package 1*swimming goggle。 The quick-adjustment straps and convenient side buckles allow for easy self-picking and removal of the goggles without tugging the hair, and they won't cause scratches even if both hands are wet. This pair of goggles is for daily use, swimming training, or family vacations.