109 keys silicone keyboard

size :493.5×137×5.8mm
1.made of high strengh,high elastic and high molecular silicone material,applicable for low and high temperature.
2.hermetically sealed design
3.envirornment protective and non-toxic,waterproof,dustproof,acid and alkaline-proof,shockproof
4.Mute design,compact,foldable,convenient for carry,personalized design
support Windows 98/2000/XP/ME/Vista
5.USB and PS/2 switch
6.perfect for travelling,school and any other working environment .