Chassis : 100.0% Polycarbonate - Acrylonitrile Butadiene Styrene (PC-ABS) Topsheet : 100.0% Silicone Lens : 100.0% Glass - Mineral
The no adjustment "fix-focus" system requires you to keep your prescription glasses on if you need any, in order to get a clear picture. In such case, just fold down the rubber eyecups in order to place your glasses onto the lenses without damaging them.
Store in a clean, dry place.Shocks may damage the image quality of the binoculars. Avoid any shock.
Do not drop.