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 five entrance ports on the end (four round ports and one oval port). The shell of the product is made from ABS. The shell and the base are sealed by pressing the silicone rubber with clamp allocated. The entry ports are sealed by heat-shrinkable tube. The closures can be opened again after be sealed, reused again without changing the sealing material.