Heat Resistant Borosilicate Rainbow Style Tumbler with Straw | Coffee Presentation Cup - 1 Piece Rainbow Coffee Presentation Cup - 1 Piece 400ml 1 piece of the product is sent. Made from durable material Borosilicate glass. It can be easily removed for cleaning. The glass is made of borosilicate glass that does not absorb any odors, chemicals or residue. It is suitable for hot or cold drinks. It has a straw.