Genuine Nalgene wide-mouth bottle Built from uper tough Eastman Tritan material (BPA-Free) See-thru (transparent) walls allow visual inspection of contents Printed volume counter for easy measuring Attached leak-proof screw-on lid Resistant to staining Resistant to retaining odors Large opening fits most water purifiers and filters, accommodates ice cubes Durable Nalgene water bottle with high visibility and Maxpedition logo. Made in U.S.A.