Welcome to the store!1. Adjusts head temperature. Highly elastic particles waterproof, ear protective silicone swim cap. 2. Uses corner processing technology. Fine workmanship. 3. Full of elasticity and comfortable to wear. 4. Anti-allergic, non-adhesive, non-toxic and tasteless. 5. Excellent quality and durability.Features:r1. Adjusts head temperature. Highly elastic particles waterproof, ear protective silicone swim cap.r2. Uses corner processing technology. Fine workmanship.r3. Full of elasticity and comfortable to wear.r4. Anti-allergic, non-adhesive, non-toxic and tasteless.r5. Excellent quality and durability.rrSpecifications:rModel: Adult Swim CaprMaterial: SiliconerPacking: PC bagrColor: Black Blue OptionalrSize: Approx. 23*18*0.5 cm/9.06*7.09*0.2inrrPackage List:r1 * Swim CapYour satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!