Patented Design: We listened and worked hard on making this version the best glass water bottle; this version 2.0 is made of strong borosilicate glass and offers a thick glass bottom for added durability; the new stylish extra-thick silicone sleeve features ribbed sides for added protection and an extra comfortable, non-slip grip; our glass water bottles are leakproof, reusable, and an excellent gift for wellness-oriented individuals and fitness enthusiasts of all genders
