The only family this size that is 100% waterproof with rubber interior liners, steel pins hinge construction, thick ribbed walls for high impact resistance, and an adjustable pressure relief valve for airline transit. Available in three popular sizes, all cases have snap-shut latches, a thick-grip handle for extra strength and durability, and each locking point is protected with steel for extra security. These waterproof cases offer an extremely competitive choice for demanding applications. Cases do not come with foam inserts. Bottom has 2 wheels and an extra handle. Outside dimensions: 45" L x 16.5" W x 6.5" H.