Keep hydrated with Mass Audubon's Squirrel & Friends water bottle. The 32 ounce wide mouth bottle by Nalgene is a classic among outdoor adventurers because it is rugged and leakproof. The wide mouth allows for easy cleaning. 8.25 inches high x 3.5 inches wide. BPA, BPS, and Phthalate free. Also available in a smaller 16 ounce size.