✔ PREMIUM SILICONE MATERIAL: Made from 100% the latest advanced silicone material which is odorless, non-toxic, skin-friendly and allergy-free, and it has better advantage of stretchy and elasticity, no deformation after repeated usage. ✔ ADDITIONAL ACCESSORIES : Nose Clip,Ear Plugs and Transparent waterproof storage bag are included in the kit so that You won't have to think about over-pressure or water getting into your ears or nose. You’ll be able to swim with maximum comfort. ✔ 3D Ergonomic Design: Our swim cap is 3D stereo design based on the shape of a human skull.THICKER EDGE DESIGN to ensure it keep in place steadily .The 3D ergonomic design makes a more comfortable fit. ✔ One Size Fits All: Our swim cap is suitable for various persons as kids, adults, men, women, boys, girls etc, because of its unique 3D ergonomic silicone design. ideal for swimming, hot spring, beach sunbathing, home bathing, winter swimming etc. ✔ Professional Design for Comfortable Swimming: EAR POCKET DESIGN to provide double protection for ears against the water. THICKER EDGE DESIGN to ensure it keep in place steadily. INNER EXTENDED ROOM DESIGN to make users enjoy swimming without overpressure. LIGHT WEIGHT DESIGN to helps users reduce the water resistance and speed up.