The four buckles really clamp the lid down tight, and I've had zero moisture get in my garage bins through a rainy spring. Stacking them two high is stable too since the lid doesn't flex.
Finally, a storage bin that doesn't cave in when stacked – that reinforced lid is solid. The four buckles click shut tight and the seal keeps everything bone dry even in a damp basement.
The four buckles on this thing actually snap tight, and I stuffed two winter coats plus a quilt in one bin with zero dust getting in. Stacking them in the shed was easier than I expected since the reinforced lid doesn't bow under weight. Finally have somewhere to put the camping gear that isn't the