Product nameRound double-layer handle cup [Capacity/Weight/Size] 300ML round double-layer handle cup (175 15g): caliber 8.2cm, height 9.2cm, bottom diameter 6.3cm Material Heat-resistant high borosilicate glass Can withstand temperature difference -20 to 130 Friendly Reminder It will be a sticky one Spot on the bottom of the double layer cup, which is a normal process sign, no defect or quality problem. You can use it normally during use, do not dig the sticky spot. Good thermal insulation: Double-walled glass cups can keep hot drinks warm longer and cold drinks warm longer. There is no risk of burning hot drinks as even cold drinks do not form condensation on the glass surface. Optical floating effect: Double walls make your drink appear to "float" in a glass cup. Includes: 2 x 300ml double wall latte macchiato cup Multi-purpose: coffee cup/latte machiato cup/thermos jug/double wall glass/iced tea cup/double wall thermos jug/water cup/cocktail cup/iced coffee cup/espresso cup/tea cup < p>Occasion: Coffee cups are as Christmas, Valentine's Day, Easter, Mother's Day, gifts, Christmas gifts, Easter gifts.