This Roor brand straight neck beaker with ice pinch features a 45mm diameter and a 5mm wall thickness. Beautifully crafted and sitting at an impressive 18" tall, this beaker ensures quality, simplicity, and elegance. Each RooR glass piece is made of high-quality borosilicate glass which is break and scratch resistant. Each piece is also signed by the artist who handcrafted it and includes a tag of authenticity so you can be sure your RooR glass is the real deal. These glass pieces are handmade to order, please allow 2-4 weeks for delivery.