250 Count Exit Bags Measuring 12x9x3 - Premium Squeeze to Open Resealable White Zip-Locking Exit Bag - Airtight Pouch Giant Ziplock Bags for Storage The Exit Ziplock Mylar Pouch

I wasn’t sure about these ziplock-style storage bags at first. They are made using an impressively sturdy, durable mylar material. The majority of bags from the 50-pack I received have proven to be quite airtight. Of course, you may run into a few exceptions that allow some air to escape, but overall, these are as close to the gold standard as I’ve seen yet. I love how tightly these seal, never allowing the bag’s contents to escape until the childproof safety zipper has been unlocked successfully. The safety zipper does require a bit of dexterity to unlock as you must press the two tabs simultaneously, so for anyone who struggles with hand mobility, these might be a pass. Back to the mylar material – not only is the outside lined but ALSO the interior. This ensures that the bags keep in any odors and are both light- and water-resistant. But perhaps my all-time favorite thing about these bags is that while they maintain a slim profile, they have an expandable bottom, which unfolds to about two-inches wide, allowing the bag to stand on its own and store more than it seems at first glance. If you’re looking for both a secure and discreet pouch that conceals its contents entirely, these could be for you.

I would have to say that these are the King of ziplock type bags because of how durable they are and how secure the zipper mechanism is. I’m not kidding, it literally looks like and works like a zipper with an additional child resistant safety lock where a plastic clip locks into a circular tab. To release, you must squeeze the two tabs together. That part requires some finger dexterity because the clips don’t offer much to squeeze together.The bags are reusable depending on what you decide to store in them. Inside, the bags are mylar and therefore, not only airtight, but also light tight, odor tight, and water tight. Another nice feature that I like is that the bottom of the bag will fold out about 2 inches allowing them to hold much more that they look. It also allows them to stand on their own.The only issue that I have is using the name “Exit Bag” because if you do a search, you’ll discover another meaning for the term.If you have a need for a very secure pouch that won’t disclose the contents in any way, this is your bag.

These bags have been great for around the campsite. I've used them while in the canoe to stow electronics. I've taken sandwiches and snacks on bicycle rides and hikes. I have also used them to store dry cooking herbs in, but probably won't use them for long-term storage, as they seem to leak some air around the closure. They feel heavy duty and the bottom expands a little so it will stand up on a flat surface.

If you squeeze these bags, you will get some air leaking out so I'm not sure these will be completely odor proof. They are childproof though. They can be a bit tricky to open and close but once you get the hang of it it is easy. You'll need to check with your local and/or state government to make sure that these are in compliance with dispensary rules and regulations. They are opaque and expand at the bottom to hold more than it seems upon first glance.

These don’t open well to get snacks or food in and out of the bag.They don’t look appealing to the eye.Awkward to open and close.Not a fan and wouldn’t get these again or recommend them.

These bags are useful, but unfortunately, not airtight as described. Did a quick test with some water and it leaked miserably. I'm not taking drops-- it all ran out the bag faster than Usain Bolt. If water leaks out, then air will too. Just for kicks, I blew into and zipped... pressed on the bag and you could hear the whoosh as the bag deflated.This bundle of 50 comes sealed in five bags of 10, which is very convenient. The bags look exactly as pictured. The pull on the zipper has two prongs that snap into a plastic depression for added security.You can open it by squeezing the prongs together to release the zipper pull but you don't have to. You can simply push the prongs in at the same time using the pad of your thumb while your other fingers push against the outside rim on the other side. Either way, it is more difficult than just pulling it apart or sliding the zipper and requires more force, so if you have very young children, they will most likely struggle to get into this, if they ever do.

These Mylar bags are really nice and thick material and very strong. They open easily and they lock in place. You have to use your nails or your tips of your finger press the two plastic pieces together to unlock it. I tried it on one bag about 10 times to see if the clasp would easily break and it did not.It can be used for food or other items for storage. It is not waterproof inside so you wouldn't want to put any food that has juices that could leak - it leaks through closing mechanism portion, but the product listing doesn't indicate their waterproof. Just mentioning if you have things like fruit that might have a lot of juice as it could leak. They are really great size - the zippers very nice and sturdy. It had no smell to it on the outside or on the inside. There are so many uses for these bags besides food snacks, traveling separating items in your suitcase, cosmetics, tools - the list is endless with such a sturdy large locking bag. Overall great Mylar bags.