Personal Oasis Hydration Water Bottles - 25oz. Capacity The Personal Oasis is a 25 fluid oz. capacity single wall bottle designed for cold water. Constructed of BPA free Eastman Tritan copolyester preserving your water or choice of beverage to taste as it should. Spill proof screw on threaded lid housing. Flip up the cap to reveal the drink sip spout. Flip down and snap the cap to create a secure seal. Nylon carry lanyard securely attached to the lid housing. Wide 2" mouth opening for ice insertion and easy cleaning. Slim bottle design will fit most vehicle cup holders and bag backpack carry pockets. 2.5" Bottle Diameter / 12" Height