Durability and leak proof and easy to clean. Just a little too small. If they offered one a bit bigger it would be great!Pretty small for the price.Doesn’t airtight or leak prove.Compartment is cute and handy but not sealing air nor water.I love the Lock&Lock brand. I've been using them for quite a long time. My oldest pieces are at least 15 years old and are still going strong. I use them constantly. I know some folks hate leftovers, but I don't. If I bought it or made it in the first place, it was because I like eating it, and if I liked it today, I'll like it tomorrow too! The Lock&Locks keep everything I put into them fresh and ready to eat.Until now, I've only owned the BPA-free plastic "Easy Essentials" containers. This is my first Tritan "Purely Better" piece. It has the familiar 4 flaps, one on each quadrant of the lid, that engage the equally familiar tabs on each quadrant of the body of the piece. The seal is tight, waterproof and secure.The dimensions are missing from the Product Details. I get 6"x6"x2 3/8". These are the maximum dimensions for the lidded container and not just its body, which will be slightly smaller.The Lock&Locks are microwave reheatable, but I never do that. Depending on what I'm reheating, if it has tomatoes or oil, it can stain or mar the container. I transfer to the dish I'm going to serve in, and reheat that way. I do wash them in the dishwasher (top rack) and my oldest pieces are still perfectly functional.I am a retired engineer, and I think it may be that the simple, effective and direct way that the Lock&Locks solve the food storage problem appeals to my "tech-y" personality. The way that they preserve the freshness of whatever I put in them appeals to my palate, that's certain!What attracted me to this item was that it has 4 compartments. When we have a fajita, taco or hummus, there is always a little bit of everything. Not enough to throw away but takes multiple containers. Each of the individual 4 compartments holds about 1/2 cup of food or liquid and are removable. This will reduce the amount of containers in the fridge taking up valuable space.It does not leak. I put water in it and shook it and let it sit on its side. Not one drop escaped.There are many different options in storing left overs. You have the option of using all 4 cups or 1 cup if that is all you need. Using less of the cups gives the option of adding a piece of chicken on the side.The container without the dividers holds 3.7 cups.It would pack a small lunch well. Giving the opportunity to use one container vs. multiple containers.This container is made of tritan. BPA free. Clear. It is not recyclable when it comes time to throw it away. It is says it is 2x as hard as regular plastic. It feels like it is harder and stronger than regular plastic. There is no give like regular plastic. It can be used in the microwave, in the dishwasher and in the freezer.Reading up on Tritan plastic, it says it looks like glass. It does. It won't shatter like glass. It is plastic.I have a similar Lock&Lock container that's made out of HDPE, and I'm very happy with it, so I was glad to find the Tritan version.This absolutely looks like it's made out of glass. The Tritan material is a little bit flexible, but the rims and tabs are very robust, and the whole thing seals very well.The edges of the compartments don't go all the way up to the inner surface of the lid (there's about a 1/4" gap), which may be an issue if you're getting this to store spices or something small. The compartments are also a bit hard to take out - Tritan is less flexible and less grippy than HDPE.Overall, still a good container.This review is for the Medium Square w/Dividers storage container.I got this storage container with dividers to hold my daily snacks. They call them dividers in the product description, while they do act as dividers, they're actually 4 separate clear square containers, which I love so that my dry foods can stay dry w/o having the wet foods leak into their areas.The plastic of these container dividers are thick & durable, they don't bend even the slightest, and each holds 5oz. They are easily removable so I also like that I can reconfigure the layout to suit my needs -- I can use all 4 at the same time, just 2, or none at all. They stay snug together and don't budge/slide around a bit.The lid opens and closes very easily, though also stays totally leak proof. The entire container washes very easily in the dishwasher and is also freezer & microwave safe. Sticker says that it was Made in Korea. Overall, very satisfied and definitely plan on purchasing more of these containers -- they're excellent quality! Highly recommend!This square container has four containers to divide the interior as desired. My kids often only want half a sandwich in their lunches, and this box nicely fits a half sandwich and two sides each in their own section. You can use all four of the dividers if you want, or none, depending on what you’re storing.The lid is no-leak, but it won’t stop liquid from moving between the interior sections, so plan accordingly.