Six Extra Large 20 Liter Sand Trays and 200 lbs Classic Therapy Sand ClasspackWhat a great value! This set includes six of our extra large 20liter portable sand trays and 200 lbs of our Classic White Therapy Sand. Our 20 liter portable sand tray comes with a locking lid and features clear, heavy duty plastic with a blue tint. Internal dimensions are 24 x 14. 5 x 3. 5 inches (external dimensions approximately 28 x 18 x 4. 8). Perfect for therapists on the go! Use it for wet and or dry sand, moldable sand and kinetic sand. Our