Our swimming caps are 10.24*5.51 inches in size and available in black, white, grey, purple, blue, yellow, green, orange, pink and red. The material is silicone. This silicone swim cap is suitable for any size of head, has great elasticity and can be stretched at will for the best swimming experience. Because it is so light, you can hardly feel you swimming in it. The swim cap is made of silicone, odorless, non-toxic, and allergy-free to ensure safety and protect your hair and ears from other substances in the water. The good flow line of our swimming caps helps to swim, reduce water resistance and enjoy a happy swimming time. It can also customize your logo.The prices for 5000pcs or over are based on ocean shipments.