13.5"L x 3.5"W x 3.5"H Corrugated Mailer, 50-Pack. Shipped Flat. Reusable & Recyclable.DIMENSIONS: These boxes measure 13.5-inches (length) x 3.5-inches (width) x 3.5-inches (height).USES: This corrugated style carton can be used to fit clothing, books,...