... 3mm. 4.Factory price,OEM accept 2012 hot sale silicone slap band for promotion. Material100% high quality silicon material, ... corrosiveness.Sizecan be customized sizeUsageAdvertising and business promotion gift, suitable for all peopleDesignCustom-made design, color, size, logoTechniquePrinted, debossed ... or customized package is very welcomed. made in china ,2012 hot silicone slap band for promotion