Double Wall Glass Mug from Leif Faith’s Daily Find 06.17.13 Double Wall Glass Mug from Leif • $20 • Leif These double-walled glass mugs are luminous and light, as good for a chilled mojito over crushed ice as a hot cup of coffee. 3" wide x 3.5" high, 8 ounces. Made of borosilicate glass. Dishwasher and microwave safe. Previous Shapes Tote by More & Co. Next Oak Spice Mills by De Jong & Co.