【Swimming Headband Size】approx 62cmx10cm/24.41inchx3.94inch, Suitable for 10+ years old kids and adults, whose head circumference is about 20.85"-23.2". 【Easy to Fasten】Swimmers Headband with hooking and looping fastener, it is easy to put on or take off. 【Flexible Neoprene Material】Swimmers Headband Ear Bands is made of soft and flexible neoprene, skin friendly, with cute cartoon pattern 【Comfortable to Wear】Cute swimming headband helps hold ear plugs and custom earplugs in place during water activities, to keep water out and earplugs in, avoid the water from flooding into your ear 【Tips】for good protection, please use earplugs(exclude) as well to block water from entering the ear