CREATE GOOD STREAMLINE: Good streamline will create good speed as less resistance,all swimmer will wearing swimming caps,beacuse they wanna to create better speed. Our swim cap is Snug fit for optimum performance which Contoured shape reduces friction drag for outstanding hydrodynamic performance.This swimming cap has durable and elastic surface that provides comfortable feeling. Anti-slip design and easy to take on/off. Professional quality material for every swimming lover. IDEAL for Long Hair / Short Hair / Thick or Curly Hair : This silicone swim cap extra room for a comfortable fit short / long or curlier Hair. Keeps your hair locks secure and tangle-free when you swimming in the pool! SOFT WATER-TIGHT SILICONE :This swimming hat Made from PREMIUM 100% SILICONE MATERIAL. It has hight advantage of stretchy with anti-tear material,no deformation after repeated usage.Our swimming hat can be stretched easily for optimum fit. Skin-friendly, making you Safer and Softer. WELL NOTED: To protect the swimming cap form scratches. NOTE:Swim cap purpose is keep your hairstyle unchanged and Create good streamline to create well speed as less resistance in swimming.