Thank you for looking! This is a stylish bracelet with a UV checker. The white bead part sandwiched between the sparkles changes to a deep pink color when exposed to ultraviolet light. You can also tell the strength of the UV rays by the darkness of the color. Originally, I myself am very sensitive to UV rays, and after searching for an item that could visualize UV rays and be worn at all times, I came across this bracelet. I find it useful all year round now. The surrounding beads are pink and clear aurora colors, giving a gentle impression and making it easy to match with clothes, and it's moderately glamorous. There is a small gold ornament as an accent. Free size (elasticity in the transparent rubber inside) Inner diameter: approx. 4.5cm Inner circumference: approx. 14cm I have taken photos with an unprocessed camera to make the condition of the product and the color change as easy to understand as possible. I took photos both indoors with UV-cut curtains and in sunlight. I also tried taking pictures with various backgrounds, so please take a look. I handle it with care, but it is a home-stored item. If you understand, please consider it! Also good for using points (*ˊ˘ˋ*) #UV #Whitening #Sunscreen #Parasol #BeautifulSkin #Accessories #Functional #OneOfAKind #Summer #UltravioletRays #UVProtection #Photosensitivity #Cat'sEye Color: Gold, Pink, Matte Clear, Aurora Clear