- Material and durability - Made from robust plastic for long service life and safe use. - Stable construction resists wear from regular pool and open-water use. - Buoyancy and visibility - Good floatation keeps the line on the water surface for clear visual separation. - High-contrast spiral colors (red, blue, white, yellow) make boundaries easy to see from a distance. - Function and performance - Designed to clearly mark water areas: separates swim lanes, defines safe zones, and highlights hazard areas. - Simple, straightforward design that performs reliably with minimal maintenance. - Installation and stability - Lightweight, easy-to-handle elements that are quick to install. - After fastening the line is stable and should remain secure without loosening. - Compatibility and sizing - Spiral form allows flexible layout across pools and open-water sites. - Please measure your pool or intended area and select the correct total length before ordering. Use scenarios - Public or private pools: Divide lanes for swim lessons, lap swimming, or recreational and competitive use. - Safety demarcation: Mark off deep-water sections, no-entry zones, or areas with underwater hazards to protect children and family members. - Open-water events and training: Create clear swimming courses for triathlons, practice sessions, or temporary event layouts. What to check before purchase - Measure the width or circumference of the area you need to mark and choose a matching length. - Confirm the color pattern meets your visibility or lane-marking requirements. This product provides a practical, easy-to-install solution for clearly defining water areas, improving safety and organization in pools and open-water settings.