From the manufacturer

The 500mL soft flask—made by Hydrapak—is ready for your next adventure.

Designed for our Distance Packs, our 2-D pinch weld construction includes a soft, oval shaped shoulder for minimal bulk while being worn, and will meet your hydration needs without weighing you down.

Features

• Pinch weld construction with U-shaped weld
• Wide oval shoulder
• 42mm MX (non-locking) nozzle
• Material: Thermoplastic Polyurethane; HDPE

Specifications

• Weight: 24 g
• Country of Origin: China