This fogless shaving looking glasses uses basic science to keep your looking glasses none fog for safe shaving This looking glasses is make of acrylic, light weight and enduring, not easily break, suitable for long term use It has a functional design that ' s unbreakable and it can be used as a handheld that fits easily in your travel bag, or gym bag Hold looking glasses under the water streams to equalizes the temperature differential for an quickly none fog for the duration of your shower Can be used in bathrooms, bedrooms, wardrobes, doorways, and wall, Manufacturer: HZBB