1) Made of 100% silicon, high quality, can reach food grade,harmless to body.
2) Different colors and sizes are available

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Products  Specification :
* Bright in color, elegant appearance and attractive design.
* USB 1.1, 2.0 compliant . High reading & writing speed: 100KB/s & 8000KB/s, 950KB/s &  6500KB/s.
* Lightening fast access speed via USB2.0 interface.
* Hot plug and play. No external power source required. No driver required except for Windows 98/ SE.
* Supports Windows 98 / SE / ME / 2000 / XP ista, Mac OS 9.x/x, Linux 2.4.x
* Deft configuration, shockproof and moisture-proof.
* Capacity: 16MB, 32MB, 64MB, 128MB, 256MB, 512MB, 1GB, 2GB, 4GB, 8GB