Plano Tackle System , with 4 extra tackle trays. Tray dimensions: L. 14" x W. 8 3/4" x H. 1 3/4". Great uses would be fishing, boating, hiking, hobbies, tools, nuts and bolts, etc. Hard bottom. Two small side pockets and one large front pocket. Extra mesh pocket on back. Adjustable padded carry strap.