This slide box is perfect for storage or transportation of 25 piece standard size (3" x 1" or 25.4mm x 76.2mm) slides. Solid wood box securely holds slides in grooved slots. The box is secured with a rust-resistant metal clasp and two hinges. Each slot is numbered to correspond to the slide inventory sheet on the bottom of the box. Measures 5.25" length by 4.25" width by 1.3" height.