Bumkins Reusable Waterproof Wet Bag with Zipper

Before I bought these bags, I was storing my pump parts in a grocery bag when I pumped at work. Not that sanitary but it worked. Once I discovered these I was SOLD. These are GREAT quality and work perfectly. They fit my 8oz bottles that I hacked for pumping as I am an oversupplier. They keep my pump parts free of bacteria and outside contaminants and I store them directly in these bags and put in the fridge at work. I reuse them 2-3 days in a row, after that I get a new one and throw these in the hamper.