This Swimsuit Contains A Percentage of Nylon/Elastane Which Makes It Lightweight, Stretchy and Offers A Luxurious Fit! Swimwear That Contains Nylon Is A Fantastic Option for Heading to the Beach, Swimming In the Lake Or Diving Into Your Backyard Pool. However, Nylon/Elastane Is Not Chlorine Resistant. If You Are Looking for Swimwear That Is 100% Chlorine Resistant, We Recommend Checking Out These Styles