SHUMAN Unisex High Elastic Silica Gel Waterproof Swimming Cap Black 100% SAFE FOR EVERYONE - We go above and beyond and make sure that each of our swim caps are made from eco-friendly, odourless & non-toxic material. We want you to have one less thing to worry about! MADE FROM ULTRA PREMIUM QUALITY "AAA-GRADE" SILICONE for maximum stretch & durability. Better than latex caps! SWIM FASTER WITH LESS RESISTANCE & REDUCE DRAG through design. Listen to these customer comments: "I love the nice snug fit. Light weight and easy to put on as well!" and, "All my swim caps before just tore and tore and kept on failing me, but not this swim cap."