Mountains Plus Outdoor Gear

The 4 oz. Gel Flask is lightweight and easy to grip. It takes advantage of gravity with its vertical positioning so that the gel drains to the valve for easy release. Storage Capacity: 0 cu. in. Fluid Capacity: 4 oz./118 mLWeight: 0.8 oz./22.7 gFabric: FDA Approved Polyethylene FEATURES: Volume indexed Durable construction Easy to clean cap and bottle Patent # 6,241,135

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