Sturdy 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 store more shoes and keep your space tidy Spacious and Versatile: Generous size (13.1 x 9.1 x 5.7 in) fits a wide range of shoe types and sizes. Our stackable shoe boxes are also ideal for hats, clothing, small items, toys, and more. The clear design allows you to quickly find what you need Breathable Ventilation: Rear ventilation holes of the shoe organizer boxes keep air circulating, ensuring a dry environment inside the box. This design avoids smell buildup, keeping your shoes fresh Quick, Tool-Free Assembly: No complicated setup – just 3 easy steps to assemble. The plastic shoe organizer fits up to US Size 11 shoes. The transparent body and front door make it simple to spot your shoes, keeping your space neat and organized