Introducing our {18/20/410 plastic double walled screw cap}, engineered to provide excellent sealing capabilities. As a leading factory, we take pride in manufacturing top-quality products to suit diverse applications. Crafted with utmost precision, this cap ensures enhanced durability and long-lasting performance. With its double walled design, it offers superior insulation, protecting your contents from temperature variations. The 18/20/410 sizing guarantees a secure fit on most standard bottles, providing easy access and preventing leakage. Choose this reliable cap for all your packaging needs, backed by our commitment to excellence and customer satisfaction.