SoHo Insulated Margarita Glass This year, take your gift game up a notch with this unique frozen margarita glass for moms! The double walled glass is made of ultra durable borosilicate glass with a 12-ounce capacity. (Dishwasher safe, not microwaveable) Built-in liquid freezer gel keeps her drink cold without any dilution. (Recommended freeze time: 3+ hours) This margarita glass makes a fun and unexpected gift for the mom who deserves to kick back and take a break! All SoHo products arrive gift boxed and are backed by our Lifetime Satisfaction Guarantee.