Comfortable, easy for child to put on themselves and adjust, these also fold back down to be compact. They do not block a lot of sound but lower levels. They make walking along the road to school less stressful for my daughter taking the sound of passing cars to "noisy cat purrs" in her words.
We've been ordering from sensory direct for just over a year my son is a big fan of their stick men chewbuddys they offer a Fast and friendly service, 5*
Someone rang me when there was a problem with the delivery address I'd given. They were very helpful and we were able to sort it out. Given that everyone is working from home the service was above average.