refresh2go 34oz Milestone Filtered Water Bottle, Blue (11080-BL) One bottle, two straws, and one filter included for 2 in 1 functionality: filter your water or sip your drink! Graduation markers to help track fluid intake Leak proof lid with mouthpiece folds into cap for added convenience and cleanliness Built-in filter reduces chlorine taste and odor, treats and lasts for 40 gallons of water (300 standard disposable water bottles) Top rack dishwasher safe BPA free