They're easy to assemble in less than a minute. Handles are strong enough to support a box full of files or heavy objects. Lids are secure and make it easy to access and clearly see the contents of each box. I'm using them to pack up most of my belongings for moving -- neatly organized. Easy to label directly on the box. [OR Actually I use up old worn-out file folders by cutting them into 4" x 10" strips fold them in half print the box contents onto the front half of the strip (label) and tuck the back half of the strip into the box with the front half clearly visible outside the box.] These boxes are wonderful especially with coupons and when on sale!