Our coffee mug storage boxes are come with hard shell interior which can provide exceptional protection for your cups and glasses. The top is also hard shell design allows these storage organizer to be stacked, enabling to save space when storing tableware in the kitchen. When you packing for moving, the hard shell provides protection against impacts, and the quilted cotton dividers gently support each item, preventing scratches and cracks. Our cup storage boxes have two double-stitched handles that are better to hold when these cup storage organizer are full of mugs. And the reinforced with sturdy polyester thread ensuring that they will not break off during moving your mugs. The high-quality zipper is smooth and made of sturdy stainless steel, ensuring it slides easily even when the storage bag is full. And each containers includes a card label window to quickly identify contents inside.