• borosilicate
• Sports water bottle-- portable and convenient, and this water bottle is suitable for fitness, sports, or other outdoor activities,water bottle for sports
• Water bottle for gym-- a more comfortable grip, added a comfy lid for easy carrying and pouring, designed for daily life,water bottle for running
• Gym bottle-- the water bottle can be given as a good to your friends who like sports, keeping them hydrated at all times,sports water bottles for women
• Convenient water bottle-- fashion and simple design is creative and practical, fitness and outdoor use,large capacity sports water bottle
• Portable sports water bottles-- the large-capacity design can meet your daily water needs and replenishing water for you at any time during exercise,travel water bottles