This 23 oz. polly bottle made of polyethylene terephthalate glycol plastic and polypropylene plastic is perfect for travel, sports or camping. The attached screw-off lid with loop makes it easy to clip to bags. Great for fitness, ounce chart comes standard. Measuring 3 1/4" dia x 7 3/16" h, it reaches its 23 oz. capacity when filled to the rim. BPA free.