Designed to accommodate thick or voluminous hair, this durable and hypoallergenic silicone swim cap features extra room at the crown. To help keep it in place and provide a snug fit, we added a gripper band to the interior. Benefits:Interior gripper offers a stay-put, comfortable fit. [] Product Details:Hypoallergenic, high-stretch silicone material. Chlorine resistant. Silicone. 1. Rinse in cold water and wipe inside and out after every use 2. Do NOT leave exposed in direct sunlight 3. Keep in perfect condition with a light sprinkling of talcum powder 4. Avoid contact with sharp objects (ie:earrings, fingernails, etc.) DO NOT DRY CLEAN. Style: NESSE121; Color: Black; Size: M; Gender: Unisex; Age Group: Adult | Nike Swim Voluminous Hair Cap in Black, Size: Medium | NESSE121-001