I am so bad with glass bottles because they are brittle and my clumsy hands will always accidentally push them off the table. I use a "Vacuum Insulated Flask" stainless steel bottle and that works for me.

I make sure to drink at least 6 litres of water since I work out regularly and sweat like crazy. Although I was not drinking enough water before, I realised that water, even though we take it for granted, can improve your well-being in so many ways.