Made of heat-resistant borosilicate glass. Borosilicate glass is a type of glass known for its durability and heat resistance. It can withstand high temperatures without cracking or shattering. Borosilicate glass is highly transparent, allowing for clear visibility of contents and enhancing the visual appeal of products.
Beautiful, sturdy, love them. Alicen. Walnutport, PA. Tue Feb 03 2026