MATERIALS Bottle: 100% food-grade silicone. Durable and non-toxic. Cap: 18/8 stainless steel. Safe, stylish, and easy to clean.
SPECS 20 fl oz bottle - 4.8ââ x 2.8ââx 2.8ââ collapsed and 8.4ââx2.8ââx2.8ââ expanded, weighs about 6 oz. 12 fl oz bottle - 4.0ââ x 2.6ââx 2.6ââ collapsed and 6.8ââx2.6ââx2.6ââ expanded, weighs about 5 oz.
This water bottle comes with its own stainless steel cap. To get a cap with a durable stainless steel loop designed for easy attachment, click here.Â