Dimensions (W x D x H with wheels): 78 x 40 x 18.5 cm; internal height: 17 cm. Large capacity: 50 liters (2 pieces). The wheeled bed bottom box increases the height of underbed storage, providing extra space for a range of household items. Four smooth wheels on the lid, two lockable. A light press fixes their position. It easily slides under the bed even when full. The wheels lift the box off the floor, creating a moisture barrier for easy cleaning. Cover and construction. The underbed storage box cover is made of odorless threelayer composite nonwoven fabric, protecting stored items from moisture and dust. The box is supported by a middle metal strip and reinforced bottom wheels, offering greater loadbearing capacity than traditional fabric storage boxes. Use and versatility. After assembly, the wheeled underbed storage space can be placed under the bed or sofa and pulled out to access items. The storage device with wheels is equipped with three reinforced handles. Use scenarios Store seasonal clothing, bedding, or other items under the bed for outofsight, easytoreach storage. Keep toys, books, documents, or accessories under the sofa or within reach in a closet or wardrobe, then pull out to access. Use the zippered bag on its own to organize items in a closet, while maintaining moisture and dust protection.