The Dome Fiber Optic Splice Closure is used in aerial, wall-mounting applications, for the straight-through and branching splice of the fiber cable. The closure has four round entrance ports and one oval port. The shell of the product is made from PP and the trays are made from ABS. The shell and the base are sealed by pressing the silicone rubber with clamp allocated. The entry ports are sealed by thread plastic device. The closures can be opened again after be sealed, reused again without changing the sealing material.