Bankers Box Liberty Plus Heavy-duty Letter File Box

Internal Dimensions: 12" Width x 24" Depth x 10" Height - External Dimensions: 12.3" Width x 24.1" Depth x 10.8" Height - Media Size Supported: Letter - String/Button Tie Closure - Heavy Duty - Stackable - Corrugated Paper - White, Blue - For File - Recycled - 12 / Carton. 3" seal protects stored files from dust and dirt. Maximum security design with string-and-button closure keeps contents secure, even when box is overturned.