Snap-on, lockable lid included, Tough polypropylene plastic for durability, Can handle at least 900 lbs. of distributed weight stacked on lid, Handles can withstand at least 680 lbs. of pressure, Exterior dimensions (at top of tote): 28.55 inch L x 19.61 inch W x 15.27 inch H, Interior dimensions (at bottom of tote): 23.5 inch L x 14.5 inch W x 13 inch H