Samsonite Luggage Winfield 20in. Carry-On Spinner is waterproof as is some of the Travelpro line.
Zuca Sport Wheeled Complete Luggage Set is waterproof.
Ceramic
Acrylic paint is waterproof and suitable for outdoor use.
Depends on what kind of duck tape.
You should use scotchguard waterproof coating on your sofas to protect it from spills.
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Most suitcases are not completely waterproof, but many are water-resistant, offering some protection against light rain or splashes. The level of water resistance can vary based on the materials used and the design features, such as sealed zippers. For full waterproof protection, specialized luggage or waterproof covers may be necessary. Always check the manufacturer's specifications for the suitcase's water resistance capabilities.
Vinyl and PVC are both cheap waterproof materials, but they don't breathe and can get kind of hot. I don't think of them as a very good material, but they are waterproof, and good if you think so.
There is no kind of waterproof wood. The way wood becomes waterproof is if it is treated with some kind of substance. You are going to have to look and see what wood you like and then go out and buy some wood treatment or you may get aids from sitting on it.
Since you did not specify what kind of material, or its use, I would say a material that is smooth, translucent, and non-waterproof is human skin. It's smooth to the touch, you can see through individual layers of it, and it is not waterproof.
Many different models of Canon cameras are waterproof, including the PowerShot D10 and D20 models. When looking for a waterproof camera, most will be clearly labeled as waterproof or for underwater use.
Each kind of luggage has different qualities and different usages. Depending on what the luggage is being used for and what purpose you want it to suit. Hard-sided luggage is great for airports, the only damage that can be done is on the outside, versus the soft-sided luggage where items can penetrate the inside and can damage what's inside the suitcase. Now soft-sided luggage is expandible and can grow in size depending on what is put into the luggage and of what quanitity, hard-sided luggage can't expand.