hey stretch like regular rubber bands but when you take them off again they go back to their original shape. Kids like to wear lots of different little rubber band bracelets on each arm. They can trade them with their friends and collect all their favorites. There are literally thousands of color and shape combinations to choose from. You can find little rubbersilicone medical id bracelets band bracelets shaped liked zoo animals, fish, rainforest creatures, trees, shells, dinosaurs, farm animals and pets. They also make them in the shape of different fun objects like sports equipment, flags, cars, musical instruments, microphones, stars, wands, tools, food and all sorts of symbols and religious themed ones too. There are lots of collectible Bandz made in the shapes of kids" favorite characters from the movies and television like the Disney Princesses Character Bandz, Toy Story 3, Cars, Mickey Mouse and Friends. They have Harry Potter, Scooby Doo, Spongebob Square Pants and Marvel Comics Bandz too. Rubber band bracelets make great gifts for kids and are relatively inexpensive compared to other high-tech options. They are great for birthday party favors and stocking stuffers. They are a simple pleasure and have wide appeal to both boys and girls and even older kids as well. Little rubber band bracelets are the latest fad but I think they will be enjoyed by children for a long time to come. nike-rubber-braceletsget-rubber-bracelets-made tand 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 gifsilicone medical id braceletst. Most of the silione bracelets are of no meanings , people wear it just as a popular jewellery. 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.