Sound Logic 72-4931G Flexible Silicone USB Keyboard - Green Features Include: High Quality Silicon Construction Lightweight and Compact Roll Up for Easy Transport Water Resistant, Spill Proof and Washable Surface 85 Keys USB Compatible - Connects via 59 inch USB Cable Dimensions: 5.25 x 13.75 x .625 inches Compatible with Windows 98, Windows ME, Windows 2000, Windows XP, Windows 7