A lightweight and compact water bottle that's easy to carry around. The beautiful form, transparency, and clear blue color of the bottle is accentuated when the bottle is filled with water. Made of high-quality transparent copolyester, this water bottle is durable and scratch resistant. The lid opens with a single twist and has a convenient loop for carrying. Kintocopolyester (upper temperature tolerance: 80℃/176℉), silicone Large: 3.3 x 9.8"/ 32.3 ozMedium: 2.8" x 8.0" / 17 ozSmall: 2.6" x 6.2"