1.100% silicone+metal 2. manufacturer 3. engineers over 10 years' experience 4. your design Custom slap band Features:1.Material: silicon rubber + stainless steel2.Size: standard or Customized3.Logo: silkscreen printed/ embossed/ debosses4.Eco-friendly, non-toxic, soft and comfortable5. Excellent refective propertities suitable for all peoples6.OEM are highly WELCOMED Custom slap band