• borosilicate
• Water bottle for hiking: the water bottle can be used for a variety of liquids, such as cold water, milk, juice and beverages,workout bottles for men
• Sports water bottles for men: our water bottle is made of reliable material, safe and can support long period using,large capacity water bottle
• Water bottle for gym: reusable and portable, this water bottle is for daily water drinking, for gym, workout and outdoor recreations,outdoor water bottle
• Water bottle for fitness: the large-capacity design can meet your daily water needs and replenishing water for you at any time during exercise,convenient water bottle
• Fitness water bottle: for outdoor sports like body building, playing basketball, etc, also a nice choice for picnic, party , etc,water bottle large capacity