Tough & Sturdy Made of quality material, stable and tough, light in weight. Built to last with proper care. Fully Adjustable Fits all head sizes -- from kids to adults. With the expandable headband, you can use them in different applications. Rotating Microphone Offers good flexibility for precise talking position, rotatable to be worn on either side. Comfortable Earmuffs Designed with a foam ear pad, they make you feel more comfortable and won't hurt your ears.