Product description Material: paper Screen size: 25 * 10cm color yellow Package contents: virtual reality glasses 1. Suitable for smartphones with a screen diagonal of approx. 4.3 to 6 inches. 2. Lenses for a larger field-of-view, better immersion. Optimized viewer profile. Best image quality and compatibility with Google Cardboard apps. 3. Ready to use in a few seconds: unfold, insert your smartphone and immerse yourself in virtual reality! 4. BEST VISUAL; Experience a truly breathtaking VR experience with cinematic HD graphics from the screen of your smartphone with the included biconvex lenses, which have a focal length of 45 mm for the best graphics! 5. It is made of high quality materials and contains everything you need to assemble to be ready to use in less than 5 minutes.