1. Material: pure silicone 2. Feature: environmental, non-toxic 3. OEM is welcomed. 4. REACH,ROHS certificatied 1 Material: silicone2 Feature: eco-friendly, convenient3 Storage capacity: 64MB,128MB, 256MB, 512MB, 1GB, 2GB,4GB4 Reading speed: 12m/s5 Writing speed: 5m/s5 I/O terminals : USB2.06 Any color and shape are available7 Customized logo is welcome. Silicone USB Flash Driver