This package includes two heavy-duty plastic zippers, each measuring 150cm in length with teeth approximately 1.5cm wide. The large, robust teeth are about 15mm when zipped, making them suitable for large items such as overcoats, tents, or bags. The zippers feature wide pullers in a strip shape, painted black for durability and ease of use. Designed for heavy-duty applications, these resin zippers are ideal for DIY sewing projects, tailoring, bags, tents, clothing, and other craft projects. They are built to withstand demanding use and provide reliable performance. Customer support includes a 30-day money-back guarantee and a 6-month warranty. If you encounter any quality issues or have questions, assistance is readily available.