Double Wall Insulated Glass Coffee Mugs 12 OZ - Set of 4, Thermal Cups Drinking Glasses For Tea/ Coffee/ Latte/ Cappucino/ Cafe/ Milk, ClearMaterial: borosilicate glassCapacity: 350ml/ 12 oz.Package Including: 4pcs cupsThe double wall insulation keeps you from burning your fingers when holding the glass.Sealed bottom prevents condensation in the cup.Multi-use cups to serve the perfect espresso, spirits or dessert.Rachel's Choice always focus on offering Gardening & Home Products.We devote ourselves to provide quality, professional and cost-effective gardening products to our customers. We also think highly of customer service, 60 days warranty is guaranteed (defection, accidental damaged, non-satisfaction).