Doublelayer lotusleaf style waterrepellent construction: The holding tank uses a twolayer canvas with embedded tensile fiber filaments and seamless 700℃ heat fusion for tear resistance. It remains watertight after long immersion and resists leakage in outdoor use. Thickened steel pipe frame and sturdy joints: A galvanized steel frame provides reliable loadbearing support for the pool, while aluminum alloy diecast joints offer stability and anticollapse performance. The interlaced pipe design allows quick, tool assembly. Ultralight, foldable and portable: The canvas pool is lightweight and durable, folding to a compact size when empty (less than 6% of full capacity) for easy transport and storage. It is ready to set up wherever you need it. Efficient drainage and easy maintenance: A bottom drain valve with a largecaliber valve and knob switch enables rapid water removal—up to 1,000 liters in 10 minutes. A waterproof lining makes water changes and cleaning straightforward. Use scenarios: Garden koi pond or temporary fish habitat for backyard enthusiasts. Outdoor event, farm, or temporary water reservoir for irrigation or cleaning needs. Constructionsite sediment pond or portable washdown/tank for job sites. Key benefits: reliable watertight performance, strong yet portable frame, quick setup without tools, fast drainage, and straightforward maintenance.