Features Great material:The ear muffs is made from a rugged ABS housing and thickened sound absorbing cotton, the earmuffs have an NRR rating of 28dB and provide plenty of noise insulation Comfortable:Noise canceling headphones feature an ergonomic headband and soft padding that reduce pressure on the head for superior comfort. The large space inside the earcup ensure air permeability. Flexible design:The adjustable headband and 360° rotatable earmuffs with comfortable foam are adjustable to fit all sizes from children to adults, pulling or pushing the earmuffs from a metal cord to adjust the size. Wide applications:Noise cancelling headphones fold up nicely and fit in a backpack or briefcase, taking up very little space,which is suitable for home,office,dormitory and so on. After-sales service:If you have any questions to our noise cancelling headphones , please contact customer service. Your satisfaction is our greatest motivation. Feature: 1. APPLICABLE SCENARIO: Stylish hearing protectors are ideal for shooting, sporting events, learning, woodworking projects and lawn care, ideal for operating heavy machinery or landscaping businesses Specification: Item Type: Ear Protection Ear Muffs Material: ABS and sound absorbing cotton Application: Sports events, concerts, decoration buildings, car horns, study, sleep, etc. Color: Black Package List:1 x Ear Protection Ear Muffs Package List 1 x Ear Protection Ear Muffs