【Innovative Air Valve Technology】Features an internal cover plate to prevent air leakage, ensuring safety and buoyancy. The precision valve system allows for easy inflation and deflation, extending water playtime without worry. 【Reinforced Edge Sealing】Enhanced edge construction provides extra puncture resistance and significantly increases buoyancy, ensuring a safer and more enjoyable swimming experience. 【Versatile Water Companion】Ideal for various aquatic environments including pools, ponds, and calm seasides. Perfect for backyard pool fun or floating on tranquil seas, making it a summer essential. 【Unique Tire-Inspired Design】Combines classic looks with modern colors, standing out from traditional swim rings. This stylish design appeals to fashion-conscious swimmers and adds a cool factor to any water activity. 【Enhanced Buoyancy】Carefully designed with increased material thickness for improved flotation, ensuring a stable and comfortable experience for swimmers. Specifications: Material: PVC Outer diameter(after inflation): 66cm Inner diameter(after inflation): 30cm Age Recommendation: 10-15 years old Note: Not professional lifesaving equipment, suitable for water recreational activities. Children should play in shallow water under adult supervision.