Ultimate Direction have updated the ever popular 500ml soft flask which features a push-pull locking on/off valve where the 11cm drinking straw attaches to the cap and a bite-valve at the drinking end to prevent leaks. PEEVA materials for a healthier, softer finish with absolutely no lingering taste. The cap is easy to grip and the wide 40mm opening allows easy filling of liquids, powders and even ice cubes. The bottle fits comfortably in packs and belts, conforming to your body to reduce bouncing, and rubbing. SPECS Ergonomic design for comfort on body PEEVA™ material is taste free Collapses fully to a tiny size when empty Fits any Vest, Vesta, or Waist Belt Easy grip cap with hard-moulded thread - reliable and fast removal/replacement of cap Clear - you can see how much fluid is left Push/pull locking bite valve - high flow and leak-free Dishwasher safe - top rack for easy cleaning Weight: 35 g / 1.2 oz Volume: 500 ml / 17 ozDimensions 20 x 10 x 5cm 11cm straw Materials - PEEVA™, an FDA-approved, BPA-free laminate of polyethylene and ethylene-vinyl acetate The unique laminate of Polyethylene and EVA imparts no taste to the water and allows the bottle to slide into the holster easier — it’s a better bottle and still costs the same!