what is standard disposable event wristband size

After proper dewatering , the silica gel mSiO2•nH2O become a porous mass that is of different particle size. This is so called the silicone.
The silicone has the open vesicular structure , large specific surface. 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.
wristband

wristband

wristband

wristband