The last screenshot shows the approximate thickness and weight of the middle ring (size 7). The thickness and weight of your ring will depend on the size you choose.
Weight is measured in grams and thickness in mm.
Ring sizes US 5,6,7,8,9,10.
Feel free to write in private messages if you have questions or need help.
Please note that there are two ring options in the set, with and without texture. Their images are in the screenshots.