Design and properties of the PAM-r-MVIC. (a) Schematic illustration of PAM-r-MVIC with a dense hydrogen-bonding network. (b) Photograph of PAM-r-MVIC-2 fabricated into various shapes. (c) Photograph showing high transparency of PAM-r-MVIC-2. Photographs of PAM-r-MVIC-2 to withstand (d) large stretching and (e) compressing. (f) Photograph of PAM-r-MVIC-2 holding a weight of 500 g.