[Material]:The portable water bottle is made of quality high borosilicate glass which is known for its practicalty and resistance to thermal shock [Multifunctional]:Our glass water bottle features convenient time marker and ml measurements directly printed on the bottle [Upgraded Design]:This sports bottle comes with a thick silicone sleeve for extra ,insulation,and grip.It's great for home,office or gym use [Easy to Carry]:This portable sports bottle with handle,making it easy to carry around whether you're going out for a walk or heading to work [Widely Use]:The glass water bottle is great for home,office,sports,biking,hiking,gym,traveling or on the go,and also suitable for car water bottles and fitness