Yes, there are waterproof bags available on the market. These bags are specially designed to keep your belongings safe and dry, even in wet conditions.
Visit Oasis Bags some examples of waterproof bags include
When choosing a waterproof bag, it's important to consider the level of protection you need, the size and capacity of the bag, and any additional features that might be useful for your particular activity or use case.
There are waterproof bags out there, but I could not find any that would be classified as a handbag or tote.
There are bags by Ricaso
There are certain models of Targus bags that are waterproof, but many of their bags are not.
Aquapac specializes in waterproof bags for items such as camcorders.
Yes, the pannier bags are waterproof and suitable for use in rainy conditions.
Yes
Yes, bike pannier bags are typically waterproof and suitable for all weather conditions.
Canon and Nikon both make travel bags that are waterproof.
There are multiple types of (scuba)dive bags. For example, you have scuba bags, lift bags, dry bags and catch bags. Then you can also separate these depending on they are waterproof or not.
Yes, dry bags are waterproof and are suitable for protecting items from water damage during outdoor activities.
Targus and Packard offer great waterproof camera bags for very low prices.
Yes if you google water proof school bags a lot suggestions come up