
PU imitation leather with hard plastic inner shell. The headphones are tucked under the flap, not with the glasses, so even Foster Multi-Focus readers fit in easily. The soft "fluffy" lining adheres to the surface of the lens, so it needs to be kept clean to avoid scratching acrylic lenses. It's easy to slide the tongue under the belt when buckled up, and when on the hip it prevents car seat belts from slipping under. Great for the price and fast delivery. After a while, it is easy to inadvertently open the fastener that secures the valve to the glasses. Gently tapping the male component with a small hammer helped a little. Now I would consider velcro to be more reliable in general. The belt loop also shifts slightly, but the loop remains securely attached to the belt and visible. This can also be customized.

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