Our best selling Body Bottle 500 straw bottle updated with new PEEVA(TM) taste-free material. Features New PEEVA(TM) material is taste free Collapses fully to a tiny size when empty Fits any Vest, Vesta, or Waistbelt Specifications Weight: 42 g / 1.5 oz Volume: 500 ml / 17 oz Materials PEEVA(TM), an FDA-approved, BPA-free laminate of polyethylene and ethylene-vinyl acetate | Ultimate Direction Body Bottle II 500 S