Shoe Storage Boxes 12 Pack Stackable Storage Organizers US Size 11 BlackSturdy Thickened Construction: Our shoe storage boxes are made of upgraded PP PS on all six sides, providing superior strength for stacking multiple boxes without warping or cracking. The clip lock front door design makes it easy to access your shoes Stackable Design: Top and bottom non slip features allow for stable stacking, making clear shoe boxes easy to organize in any corner of your home. The reinforced material supports more boxes, helping you