This is the first time I have ever tried a nut milk bag. I love almond milk so I thought this would be so cool to try. My first impression of the Vita Nut Milk bag was that the bag was sturdy, it seemed like it would last for a while. It's a large bag so you can make a good amount of milk. Essentially the nut milk bag acts as a strainer for whatever you are making. You blend the nuts or whatever else you might try and then strain them through the bag into a bowl or container to get the milk. It works fantastically.It has a fine mesh which strains everything, for no clumps. I like to save the pulp from the nuts and use it in cookies or some other baked good...so yummy. You can use the bag over and over. It washes out easily. this was great for me , so if you are a first time nut milk maker, try this bag. It was easy to use, and made fantastic milk. You will have to decide for yourself whether you think it's worth making your own almond milk permanantly, but I'm sold. If you want to try it you can get it on Amazon here.