Hi, I have this waterproof dishwasher safe multimedia keyboard available you might be interested

 400 units for $15 a piece in 1 pallet. Each unit is 2.1 lbs. So estimate is about 900lbs.

 MODEL IS SEAL SHIELD S103 AND THEY ARE ANTI MICROBIAL.   THESE MULTIMEDIA B KEYBOARDS ARE BLACK, AND YES TO CLEAN THEM, YOU PUT THEM IN A DISHWASHER. THEY HAVE DRAIN HOLES, 24K GOLD PLATED CONNECTORS TO PREVENT CORROSION AND LASER ETCHED KEYS.

Also I have this coming to our warehoe : 100 units of IP09AA 9" IPAD COOLING SHELL.