We did a quick speed test benchmark on the Corsair Flash Voyager Slider X1 256GB USB 3.0 Flash Drive. Using the BlackMagic Disk speed test the usb drive was able to consistently read and wrote over 250MB/second.

Super Dielectric Servus by Honeywell 8105 Rubber Over-Shoe SZ 13
$19.98
Variable Cap 1.5- 12pF, Single Gang, Air Dielectric - Lot of 3 ( AVC_1_5_11_6 )
$15.70
AGS DIELECTRIC SILICONE COMPOUND .5 Oz. Moisture Proof Your Connections
$6.75
Pyramex Dielectric Full Brim Hard Hat Adapter - HHABW
$5.49
Bouton Bond Dielectric Safety Glasses Clear Lens Anti-Scratch/Anti-Fog Coating
$12.25
MSA 88128 Safety Helmet Adjustable Elastic Dielectric Chin Strap
$8.54
Calcium Copper Titanium Oxide (CCTO) CaCu3Ti4O12 Titanate High Dielectric
$39.46
3/4-in Threaded Dielectric Union Fitting Lead Free
$9.99
2 LIQUID WRENCH L803 Anti-Seize Dielectric Grease,White, 3 oz
$13.20
Homewerks Pipe Fitting, Dielectric Union, Lead Free, 3/4-In.
$9.99