This swimming cap is made of silicone material, suitable for indoor and outdoor water sports, silicone material, healthy and comfortable, soft and waterproof. It’s available in an assortment of colors, is waterproof and very comfortable for even those with long hair. Customized this cap with an imprint of your company logo to create a memorable giveaway. It can be used in indoor and outdoor swimming pools, such as beaches, swimming pools and lakes, water parks, to enrich your interests and hobbies and strengthen your physique. Orders of 2000 pieces or greater are eligible for sea shipping. 100% guarantee for quality.