I only drink. and Advent. pourtant..les natural glass Advent, I n epeux see them. tightening leaves to be desired and I can not count the number of times ca jumped and milk spills .. and Braille dad. brief. I opted for a plastic so as not to see to change everything and pcque my rogue fils..jette any ground. and this one is sublime. no problem. I adore. I re veiled fan Advent.