Small 4 Liter Portable Play Therapy Sand Tray, 5.5 lbs of Kinetic Therapy Sand, and Sand Mold Set Tray measures 12 x 8.5 x 3 inches on the inside and 13.5 x 10 x 3 inches on the outside Easy snap-secure lid Solid, heavy-duty plastic construction ideal for wet sand, dry sand, or water play Convenient carrying handles for portability Includes 5.5 pounds of Kinetic Theraputic Sand and a set of 7 Sand Molds