From the product description, check product page for current description, price and availability:

• Vacuum-insulated stainless steel keeps your Beer cold—within a few degrees of the temp when you poured it and the wear-resistant coating helps ward off fingerprints for a clean look All night long (Hand wash only)
• Double-walled design prevents your Hands from warming your Beer and keeps your glass from sweating
• Lightweight, the glass is just half the Weight of a traditional pint glass, plus its holds 16oz of Beer (with room for foam! )
• Super thin 1mm rim is feels great and isn’t bulky, so you can taste the Beer, not the glass
• Elegant design is beautiful not bulky, a classy look inside or out