A self-chilling stemless glass. dimple’s patented-integrated chilling technology keeps beverages cold to the last drop, and no ice will dilute your drink. Simply pre-freeze the gel-filled dimples and they magnetically affix into the base of the custom designed lead-free borosilicate glassware. A silky silicone grip keeps your hands warm and drinks cold. Achieve endless chilling with the interchangeable dimple chilling cones. 6 glasses per display box (CDU included) 16oz capacity. mouth-blown strengthened borosilicate glass (aka Pyrex®)