Ultra-Thin Under Bed Storage: At just 3.7 inches in height, this storage solution fits under most beds with a clearance of 4 inches or higher. With dimensions of 40" x 20" x 3.7", it maximizes hidden storage space and helps keep your room neat and organized Long-lasting Composite Linen Material: Made from premium composite linen, this under bed storage is sturdier and more long-lasting than non-woven alternatives. Its waterproof surface protects items from moisture, ensuring long-term and safe storage