Made from HDPE (high-density polyethylene) plastic, these squeeze bottles our FDA approved for food grade. The push/pull cap is leak proof when closed. No worries about it leaking if accidentally tipped over. These sports squeeze water bottles are impact resistance. The large opening makes it convenient for cleaning as well as adding ice cubes to the bottle. A clear strip on the side lets you see how much fluid you have left. Measurements 7 3/4 inches high with lid on and 2 3/4 inches wide. Mouth opening 1 5/8 inches