50 Pieces 10" x 3" x 12.5" Corrugated Security Mailer Shipping Box - The product is a set of 50 rectangular 10" x 3" x 12.5" corrugated security mailer shipping boxes made of lightweight cardboard with a single wall design. These boxes feature a flip-top design and are ideal for shipping and storing items securely. Manufactured in the United States, they offer a convenient and protective packaging solution for businesses and individuals moving or storing items.  This product is a set of 50 rectangular 10" x 3" x 12.5" corrugated security shipping boxes made of lightweight cardboard. Each box features a flip-top design and single wall construction, making it easy to pack and ship items securely. With dimensions of 10" x 3" x 12.5", these boxes are perfect for packaging a variety of items for shipping and moving. Made in the United States, they provide a reliable and durable option for protecting and transporting goods.