This 10-pack of project trays with lids provides durable, drop-resistant storage for classroom supplies, robotics parts, and STEM tools. Each tray measures 12.3″ W × 16.8″ D × 3″ H and weighs just 1.88 lb, offering lightweight yet reliable organization. Translucent lids keep contents visible while protecting against dust, spills, and damage. Ideal for classrooms, labs, and makerspaces, these trays help keep learning materials organized, accessible, and protected.