Many people make custom braclet for their events. It is cheap and and esay to promote. So it becomes popular promotional gift. Usually we put a slogan and simple logo on it with printed, colorfilled and embossed printed style. But you know, we can even put a colorful photo on with the CMYK printing. Let me show you. Four-color printing mode is a kind of color matching mode used in color printing. It uses the principle of three primary colors mixing and black ink to mix and superimpose four colors to form full-color printing. The four standard colors are Cyan, Magenta, Yellow and black. These four colors are usually used to reproduce thousands of other colors in pripvc keychainnting. Most of our customers will make the photo on the figured wristband. It will be printed on the figured part of the wristband. Looks much more understanding. cture , large specific surfacpvc keychaine. So it can absorb many substances as a good desiccant, adsorbent and catalyst carrier. Adsorption of the silicone is mainly the physical one that can be regenerated and good for repeated use. Let the silica gel soak in the cobalt dichloride solution then get it dried and activated , will become the allochroic silica gel. It will transfer from blue to red color when absorb water. Changes in color shows the degree of water absorption and whether need the regeneration treatment. The bracelet is generally used as ornaments or jewelry, now more and more people use the bracelet to do business promotional gifts, souvenirs, gifts and so on. Currently a kind of silica gel made silicone bracelet is especially popular on the market. A silicone bracelet : 1, soft and comfortable to wear. 2 a customized LOGO is used for printing, promotional gifts, business gifts, or gifts. 3, incorporation of negative ion powder in the silicone bracelet has been reached to care for the human body,like promote blood circulation, anti fatigue and other health and body balance effect. This kind of bracelet is also called energy bracelet.