what is the meaning of black wristbands

Most of the silione bracelets are of no meanings , people wear it just as a popular jewellery.
Silicone is not only resistant to high temperature but also to low temperature. It can be used in a wide temperature range. Both the chemical properties and physical properties fluctuate slightly according to temperature.
UV and ozone can easily decompose the silicone. Organic silicon has better thermal stability and resistance to radiation and weather resistance than other polymer materials. It has a service life of up to several decades in the natural environment
Silicone is one of the most unreactive compounds. They are resistant to biological aging without rejection of the animal body.
As we can see, that why the silicone bracelet so comfortable and durable to wear.
Different color of the bracelet has different meanings.
Band color white stand for making poverty history.
Yellow stand for livestrong.
Black and white stand for standing up and speaking up.
Blue stand for beatting bullying.
Pink stand for supporting knowledge strength.
Blue and white stand for one world one cause
Blue and green stand for say no to sectarianism.
Also a silicone bracelet can be used as a promotional item for entertainment or sport. It is hot sale as a advertisement gift.
wristband

wristband

 

wristband

 

silicone wristband