Beautiful  However
I love this product the glass is gorgeous perfect  gift for birthdays However it gives no relief when you drink out of it it's very hard it needs an air vent of soperform so the suction isn't However it gives no relief when you drink out of it it's very hard it needs an air vent  so the suction isn't  so severe.  Great to drink out as a cup but not with the lid on.
Rating: 4 stars