Trait-Tech Panda 10x50 Outdoor Waterproof Monocular Magnification HD Telescope (Black) Material: Engineering Plastic, Rubber, Glass;Structure: the binocular telescope Function types: ordinary telescope;Use: Civil telescope Provide comfort and promote viewing ease Stylish rubber covered aluminum body protects from rough handling Ergonomic thumb indents and finger ridges for extra non-slip comfort and ease of use