This closures are a combination cable closure and splice organizer. The splicing joint is on the middle of splice tray. They combine Mechanical seals and heat-shrinkable sleeves with hot-melt adhesives to environmentally seal fiber cable splice points. Itis designed for use with any cable construction (loose buffer tube, central core tube, loose fiber, and ribbon), in any environment (aerial, pedestal, buried, handhole, and manhole), and for numerous splice applications (express, tap-off , branch, and repair).