... 4.Custom colors and logo 1.Specification: Product Name:Silicone RFID BraceletMaterial:100% eco-friendly silicone materialLogo design:Embossed, Debossed, ... ,UPS,Fedex etc. By air, by seaAbout samples:Sample time:3 daysSample cost:Sample are for free,but freight collect ... pool,refrigeration storage,field work and most environment, ever long time soaked in the water or some other terrible situations is ...