RSY Fiber optic splice closure sealing heat shrink tube is a must-have for all fiber optic technicians. It provides a secure and waterproof seal for fiber optic cables allowing them to function optimally. Our factory specializes in the production of high-quality sealing heat shrink tubes that are made from durable and reliable materials. We use innovative technology to produce the tubes, ensuring that they are resistant to harsh environmental conditions. Our products are readily available in different sizes and lengths, making them suitable for various fiber optic applications. Trust us for exceptional quality and affordable prices.