Set of 6 Single-Chamber Water Tubes for Pool Covers This 8ft x 0.77ft winter pool water tube is crafted to endure harsh winter weather. It is specifically designed to hold your pool cover in place, effectively preventing leaves and debris from entering, which reduces maintenance and keeps your pool tidy throughout the season. Comprehensive Pool Cover Set Durable PVC Construction Durable Construction with Enhanced Welded Seams Secure Twist-Lock Cap with Leak-Resistant Design Effortless Single-Chamber Functionality Key Features Comprehensive Pool Cover Solution: This set includes six 8 ft x 0.67 ft water bags along with four corner tubes measuring 2 ft x 1.85 ft, offering complete edge and corner support for your pool cover. Designed to improve wind resistance and block leaves and debris, it ensures your pool cover remains firmly in place throughout the winter, reducing the time and effort needed for cleanup. Durable PVC Construction: Crafted from 0.4 mm thick, flexible PVC material,