With over 1,600 sizes available Aviditi offers a large variety of packing, shipping and moving boxes to choose from. Aviditi 18144 Flat Single Wall Corrugated Cardboard Boxes 18 x 14 x 4" (L x W x H) are perfect for shipping apparel, books, picture frames, artwork, mirrors and clothing. The smaller depths on these cartons are ideal for shallow or flat fit items. The single wall c-flute corrugated fiberboard provides structural strength and crush resistance; making these cartons a durable choice for all packaging needs. Boxes are sold in bundle quantities, and are shipped flat to save on storage space and reduce freight cost. Corrugated cartons come in the standard Kraft color, and are made of recyclable cardboard. Listed dimensions refer to inside usable carton space. Proudly made in the USA!