Shop / All Moving Supplies / Moving Boxes / Box – 4 Cube View cart “Mattress Bag – King” has been added to your cart. Box – 4 Cube$6.00 Description 18″ L x 18″ W x 21″ H * Type in your Quantity below or click the - / + to change your Quantity. Box - 4 Cube quantity Add to cart Related products Wardrobe Box & Bar $25.00 Wardrobe Box & Bar quantity Add to cart Mattress Bag – King $9.50 Mattress Bag - King quantity Add to cart Mirror Box – Small $8.00 Mirror Box - Small quantity Add to cart