Check the listing for details. 15-Pack 18x12x8 Double Wall Heavy-Duty Shipping Boxes ECT-48. Condition: New. Listed at 58.02 USD. [zipedit] 18 x 12 x 8" Double Wall Boxes + Free ShippingDouble Wall Boxes: Safeguard your shipments and storage items with this set of 15 Double Wall Heavy-Duty Shipping Boxes. These boxes provide dual-layer protection, delivering twice the strength of standard cartons, making them an excellent choice for valuable or delicate items. Crafted from heavy-duty kraft corrugated material, these boxes offer robust construction that ensures greater protection and stacking stability during shipping and storage. Sold in convenient bundle quantities, they ship flat, optimizing storage space and reducing shipping costs. Whether you're moving or sending goods, these brown corrugated boxes provide reliable durability and security. Twice the protection of a standard carton.Set of 15 Double Wall Boxes: This set includes 15 double wall heavy-duty shipping boxes, each measuring 18x12x8 inches. Double the Protection: These boxes provide twice the protection of standard cartons, making them perfect for valuable items. Robust Material: Constructed from heavy-duty 275#DW/ECT-48 kraft corrugated material, ensuring robustness. Superior Stacking Strength: Heavy-duty construction ensures superior stacking strength and protection. Bundle Quantity: Sold in bundle quantities and ships flat, optimizing storage and shipping efficiency for added convenience. DISCLAIMER: ALL PICTURES SHOWN ARE FOR ILLUSTRATION PURPOSE ONLY. ACTUAL PRODUCT MAY VARY DUE TO PRODUCT ENHANCEMENT.