Material: artificial suede, insole material – rubber. Advanced 3d print technology: using advanced 3d digital printing technology, the image is vivid, the color is bright and strong. Color difference: there may be slight color differences between pictures and objects due to differences in light and dark contrast display of personal monitors. Smell: shoes that have just left the factory will have some glue smell, regardless of quality, and the glue smell will disperse when placed in the ventilated place. About quality: broken bottom, degumming, damage, serious color difference, serious stain this shoe is responsible for all expenses. Small connecter, small stains, micro color difference, micro glue smell are not quality problems. Note: – since the size is manually measured, please allow a slight dimension difference. Due to the different monitor and light effect, the actual color of the item might be slightly different from the visual pictures.