AVS Gear AZA-230W White 104 Normal Keys 3 Function Keys USB or PS/2 Wired Slim Foldable Waterproof Dustproof Keyboard

It's durable. It doesn't take up much room. It's very flat. You can wash it and immediately use it with very little drying time. It's waterproof. It's extremely silent

Only white and black available

None

This keyboard is very hard type with

It's squishy and flexible, works great as a spare keyboard

Squishy and flexible. You need a hard surface if you want to actually type on this. Since the keys are made of rubber instead of plastic, pressing the keys takes some getting used to

It's slim and foldable

You have to push the keys really hard to get them to type, can't type fast. It doesn't sit flat on a desk, kind of rolls

Water-proof, all the buttons work, highly-flexible, and the keys are low (like a laptop key-board)

Shift key is tricky, and when it gets cold, it feels like there is a bubble between the front and back membrane, and the keys are further apart than a regular keyboard