Brighten Your Day With This Adorable Combo: A Glass Sipper And Bookmark Covered In Cheerful Brown Bears And Lovely Daisies, Perfect For Cozy Drinks And Marking Favorite Stories. Made From High-Quality Borosilicate Glass, This Sipper Is Known For Its Exceptional Durability And Thermal Resistance. Unlike Regular Glass, Borosilicate Glass Can Withstand Extreme Temperatures — Making It Perfect For Both Hot And Cold Beverages. Whether You’Re Sipping Your Morning Coffee, A Refreshing Juice, Or Infused Water, This Glass Ensures Purity Of Taste Without Any Unwanted Odors Or Chemical Leaching.