Ion Silicone watch, promotional watch in high quality,competitive price,fast delivery, good communication and best service. 1) 100% silicone material with good flexbility, harmless ... : 16cm, 17cm, 18cm, 19cm, 21cm, .4) Logo versions:Silkscreen printed, Debossed, Embossed, Color filled, .5) Logo and models can be customized ... , Plastic test tube etc.8) OEM / ODM orders are welcome. silicone ion watch