Enhanced buoyancy with secure nonslip fit: buoyancy support with a secure nonslip fit, multisize waist compatibility. Swim comfort and safety: designed to reduce fatigue and provide cramp care support, delivering a safe swimming experience through a stable buoyancy structure and improved visibility via an eyecatching color design. Reliable aquatic design: kayakingswimming compatibility and a waterproof compartment structure, providing sealed compartments that secure items. strength material: designed to resist punctures and abrasions during water immersion, the Swim Pull Buoy ensures longterm durability and maintains its form thanks to tearresistant material. Use scenarios Lap swimming training in pools or open water where stable buoyancy and a secure fit reduce effort and enhance form control. Recreational kayaking or mixed aquatic activities that require buoyancy support plus safe storage, using the waterproof sealed compartments to secure keys, cards, or small valuables while paddling. Longer swims or crampprone sessions where visible color design improves safety and the buoyancy structure helps maintain comfort and endurance.