What you will get: A pack of 5 stainless steel rings in different colors. Each color has 1 piece, enough quantity and color choices to meet your different needs. Size information: The size of each temperature emotional ring is approximately 18.2 mm/0.72 inches in diameter and 52 mm/2.0 inches in circumference. It is suitable for most women and men. You need to measure your finger size before buying. Textured material: These color changing emotion rings are made of stainless steel, which is durable, nickel-free, rust and corrosion resistant. The smooth surface ensures comfortable wearing and a comfortable wearing experience. Thermochromic Rings: These temperature emotional rings have a stylish design. The color of the ring can be changed according to your mood. Since your temperature will change with your mood, you can refer to the pictures for more product information. Ideal gift: The beautiful stainless steel color-changing emotional ring is an ideal gift for family and friends, suitable for many occasions, for example. Participation suggestions, anniversaries, cocktail parties, graduation ceremonies, weddings, Valentine's Day, Christmas, birthdays, etc. Product descriptionFeatures:The working principle of the color changing ring:The emotional temperature ring can sense your temperature and test your emotions. When your mood changes, your body temperature also changes. The ring is very sensitive to temperature, and different colors represent different emotions. Multiple color options:Simple and plain design, with 5 different basic colors, made of stainless steel. The colorful and chic color circle matches your outfit perfectly, showing your personality. Technical details:Material: Stainless steel. Color: as shown in the picture. Size: Approximately. The diameter is 18.2 mm/0.72 inches and the circumference is 52 mm/2.0 inches. Quantity: 5 per pack. Package includes:5 stainless steel color changing rings. Notes:There is a risk of suffocation, please keep away from children.