BOXES CONNECT IN SOLID CONSTRUCTION: This patented design is reinforced with a plastic frame that can withstand a pressure of up to 10kg and does not deform from load. With the hooks, you can stack the boxes in an even way that won't spill even if you tilt them 60 degrees. It's a really durable thing and a good investment. LARGE CAPACITY: 4CONVY shoe storage boxes are designed to European standards. The set consists of 6 plastic boxes measuring 33.4 x 23 x 14 cm, which can hold shoes up to size 45. The organiser can be used all year round for the whole family and you can easily change sandals, ankle boots, trainers, heels. ORGANIZATION YOU ENJOY: The Premium 4CONVY shoe boxes are combined into a modular cabinet of your chosen height and width. You can move the organiser according to your needs. The created cabinet is perfect for displaying your shoe collection in the closet, under the bed or in the hallway. LIGHTWEIGHT ACCESS: Do you like surprises? Are you going to the attic and suddenly discovering that you have a brand new winter shoe from 3 years ago? It's just a pity that fashion is changing so quickly… Just look at the 4CONVY transparent boxes and immediately locate the pair of shoes you want to take out. You don't have to take off all the boxes to get into the shoes from the bottom carton. Simply open the front door. NO MORE FADING SCENTS: Have you ever taken your shoes out of a cardboard box or plastic box and find that they need to be ventilated? The 4CONVY boxes have ventilation that prevents moisture accumulation, mould and mildew growth. The design of the boxes also protects stored shoes from dust and dirt.