r free. If you need to put your logo on wristband, JPG, PDF or AI file is appreciated. Our designer is skilled to transfer it into the digital proof. We will make it to your satisfaction. All we do for designing is free no matter you place the order or not. Besides we can send you photo physical sample before mass production if necessary. Regular sizes of a silicone wristband are 6”(150mm) for toddler, 7”(180mm) for youth, 8”(202mm) for adult in circumference and 1/4”(6mm), 1/2”(12mm), 3/4”(19mm), 1”(25mm) in width. We make it all together 2mm thickness. Regarding with the circumference, it is the most important factor to choose size in our order. It is the average sizes for toddler, youth and adult. The direct way to choose size is to measure the size of your wrist before selecting. We are always strict in quality of our product focusing on edge cutting, polluted mark and printed logo to make a best product for you. , you should have a digital rubber wristband. A sport digital rubber wristband is a digital chip putting in the rubber band part. The biggest advantage of the digital rubber wirstband for sports is the high step counting accuracy , more stability of 50 meters waterproof , the long life time built-in battery and also comfortable and durable as it is the silicone made material. A sport digital rubber wristband is the assistant of good health to remind you of sporting. Acustom cancer bracelets mosquito repellent rubber bracelet is very useful to protect ourself from the mosquito. Do you know what the mosquito repellent rubber bracelet consist of ? A mosquito repellent bracelet is made from high quality silicone together with lemongrass, lavender, clove and other natural plant oils. And the nutural plant oils is the reason why it is mosquito resisting. A mosuito repellent rubber bracelet is comfortable to wear on the wrist or leg as its good air permeability . It is designed as non contacting type of the controling module so safe for adult and kids. A glow in dark silicone bracelet is made by the same technology with the normal bracelet but adding the glow powder . The powder can be added into the band body or the ink for the printed or debossed infil style bracelet. The glow powder is eco as well as the silicone material bracelet. When absorbs enough strong light before being put in the dark, it glows blue, green or red depending on the style of the glow power. The glow will last for hours and gradually weaken. But when reabsorbs the light , it glows again like original shows. A uv silicone bracelet can transfer its color darker under sunshine when absorbing uv light. It is not only with good looking appearance but also indicating the strength of the uv index. So some uv silicone bracelets made as the indication with the ruler of levels of index. Wearing on the wrist to avoid long time staying under strong uv. So what makes it uv transfer ? The answer is the UV phosphor which uscustom cancer braceletsd uv energy to open the sensitive molecular bond and make it jump from low energy to high energy level There will be a change from visible light to visible light, resulting in the changing color from light to dark.