Features:
Our grade fresnel lenses are made from top quality pvc plastic. They are extremely thin, flexible and shatterproof
The 3X magnifying lens is good for and inspection, suitable for electronic repair and examining extremely small texts, images.With direct sunlight you can use this fresnel lens to start a solar fire while camping or during emergencies.
Lightweight, perfect for long time without tiring your hands. Wallet Size! Credit Card Magnifier

Note:
Magnifying lens have not magnifying effect when directly close to object. The focal length of this magnifying lens needs to be adjusted to a suitable place thus to make yourself comfortable. Keep away from direct sunlight in case of causing fire. Keep away from high temperature and humidity.
Please note that things may look crooked when being magnified.