Come and see our amazing products. This swimming cap is made of durable silicone with excellent stretch,soft and comfortable to wear and touch you won't felt so tight when swimming with our swim cap,it is elastic enough to fit with different head size. It will not only prevent your hair from getting wet when swimming,without snagging you hair,but also reduce drag caused by hair and head while swimming,so that you can swim faster and smoother. Pls confirm further with us if any query about packing info, inventory status and time schedule.