BPA free. 100% recyclable.High quality borosilicate glass bottle (handmade), covered by a removable cover of silicone for added protection and durability.Dishwasher safe (it is recommended to wash before first use). Once clean, and if you are not going to use, save without putting the plug. Perfect for cold water and hot liquids. Wide nozzle and screw cap with ring adapted to take her anywhere. NUOC, “Your bottle that water tastes like water”