... 3.OEM is available 4.Size:190mm The detailed information of silicone energy bracelet as following: 1) Material: silicone + ions, which ... clients' requirement. Features of products:1) Added ions/power inside, which is good for blood circulation, improve energy, and your sleep ... made by silicone material added ions inside, have the characteristics of soft, non-toxic, don't crack, long life time, ...