• 【Dual Air Chamber Safety Design】Independent front and rear air chambers ensure that if one chamber accidentally deflates, the other maintains buoyancy for double safety protection during swimming and water activities.

• 【IPX7 Waterproof Phone Protection】High-quality airtight zipper and transparent PVC membrane create a secure seal, supporting wet-hand touch control while keeping your phone completely dry underwater.

• 【20L Ultra-Large Storage Space】Spacious compartment easily accommodates clothes, towels, sunscreen, and other outdoor essentials for extended water activities and adventures.

• 【Aviation-Grade Quick Inflation】Dual-directional air valve design allows rapid inflation by mouth without additional pumps, featuring automatic air-lock mechanism and convenient deflation system.

• 【Comfortable Elastic Waist Belt】Widened and thickened nylon belt with secure buckle conforms to body curves, ensuring long-wearing comfort without binding or discomfort.

Specifications:

• Dimensions: 700×370mm
• Material: PVC
• Storage Capacity: 20L
• Main Compartment Waterproof Rating: IPX6
• Zipper Bag Waterproof Rating: IPX7
• Suitable For: Swimming, Rafting and Water Sports