These premium sensory earmuffs have one of the highest noise reduction ratings on the market at 30 decibels! Adjustable, comfortable, padded headband and foam ear cushions featuring an extraordinary cup design that absorbs noise in the same way as a shock absorber. These are the ultimate indoor-use-only, noise sensitivity protection ear muffs for teens and adults who have auditory defensiveness or hearing sensitivity (the user is still able to hear fire drill and other loud emergency sirens)! Ultimate 10 earmuffs are an excellent sensory diet tool for classrooms, therapy clinics, home, or travel.