promotional rubber wristbands and so on . Each type of bracelet has its own characteristics . Such as the glow in the dark silicone wristbands can shine in the dark when it absorb enough light , the UV silicone wristband will change its own color when it absorb ultraviolet rays . Due to different production processes , There are also differences in the quality of rubber band bracelets . Is there any good way to distinguish the quality of rubber bracelet ? Of course , just like the traditional Chinese medicine treatment in China . We can also use four methods to judge the quality of silicone bracelets: look, smell, ask and touch . 1.Look ( Appearance of rubber band bracelets ) Check if there are any dirty things inside the silicone bracelet , such as some color deviation , printing errors , whether the diameter of the bracelet is regular , whether the edge of the bracelet has surplus colloid . Generally, the edges and surfaces of high quality silicone hand rings are very smooth . 2.Smell ( The odor of rubber band bracelets ) Silicone bracelets are generally odorless. During the test, customized friendship bracelets onlinewe can use fire to burn silica gel bracelets, high quality silica gel bracelets the recustomized friendship bracelets onlinesidue after combustion is powder . The inferior silica gel bracelet has a bad smell after burning . 3.Ask ( Raw materials for rubber band bracelets ) We can ask the supplier whether silicone bracelet are made of pure silica gel . 4.Touch ( Touch the surface of silicone wristband ) The surface of high quality rubber band bracelets is very smooth and it"s very elastic . free and 5pcs keychains free. Order 100pcs or more, get 100pcs free and 10pcs keychains free. All the free wristbands and keychains are same design of the one you order. Maybe you will ask why the discount so cool, will the quality go down ? The answer is NO. We are not trader, we are exactly manufacturer. We do production, design and sales all ourselves. So all the price is wholesale price, factory price. Our strategy small profits and quick sales. No extra cost, no MOQ. Event one pcs we can make. We are online 24 hours 7 days. You can contact us via email, phone call or live chat. We are appreciated that we can send us inquiry with design detail. All the ditital proofs are free, no matter you order or now. We can do super rush order in 2 days. One day production and one day shipping. We are waiting for you.