Adjustable stretch rope back design: each button bouffant hat comes with an elastic cord and cord lock design on the backside, which allows you to easily adjust the tightness of the hat without tying rope, one size fits for men and women of different head types and hair styles, saving your time to choose size; No matter how long and thick your hair is, this hat can cover it easily without scratching your head Soft and skin-friendly: our adjustable hats are made of , soft and breathable, not easy to deform and fade, comfortable to wear, easy to put on and take off, will bring you a nice wearing experience; The built-in sweatband caps are washable and not easy to fade, which will provide you a long-term service