powder which is also green as silicone in production. The UV powder is kind of photochromic material. We use it to make this change. Photoreceptor color is irradiated by ultraviolet or sunlight, absorbs ultraviolet or sunlight, and produces changes in color. When it loses ultraviolet or sunlight, it returns to the original color. Photoreceptor products, after sunlight or ultraviolet radiation, can absorb the energy of the sun or ultraviolet rays, produce changes in the molecular structure, lead to changes in the absorption wavelength, and produce colfundraising rubber wristbandsor changes; when the sun or ultraviolet energy is lost, the original molecular structure is restored and the color of the cost is reduced. Application of photosensitive discoloration material: coating, suitable for various surface coating products, including PMMA spray paint, ABS spray paint, PVC spray paint. Ink, printing of various materials, including fabric, paper, synthetic film, glass, etc. Plastic products, suitable for various kinds of plastic PP, PVC, ABS, silicone rubber and other materials, such as the ejection, out of shape. custom-camo-silicone-wristbandscool-silicone-wristbands ng. In order to achieve the ideal self, people will seek answers in their own lives and in the lives of others. A puple silicone wristband will be very lovely no matter it is plfundraising rubber wristbandsain or with message on it. We provide purple wristband with custom logos. 10% discount is being offered using coupon code SAVE10 now. Order less than 100pcs, get 50pcs free and 5pcs keychains free. Order 100pcs or more, get 100pcs free and 10pcs keychains free. Size is 150mm for toddler, 180mm for youth and 202mm for adult. For the width, 6mm, 12mm, 19mm and 25mm for your choice. The color of bracelet can be solid, segment, swirl, glowing or UV transfer. The logo can be printed, colorfilled, embossed printed, debossed or embossed. Besides, we make dual layer also. The shape can be normal rounded or figured shape like watch and heart. It is good to make a figured one also.