Poison' ring with a pure brass cover and natural stone. Number 1 has turquoise stone, numbers 2 and 4 have labradorite, number 5 has lapis stone. Due to the structure of natural stones, there may be differences in their veins. Keep your jewelry away from moisture and chemicals. Keep it in a closed box when not in use. You can rub and polish your products that are due for maintenance with lemon and dishwashing detergent.