HEAT AND COLD RESISTANT Our straw cup made of lead free borosilicate glasswhich withstand the instant temperatures change from 20 to 200 makes it safe for pouring boiling water or using it on microwave oven and refrigerator HEAT AND COLD RESISTANT Our straw cup made of lead free borosilicate glasswhich withstand the instant temperatures change from 20 to 200 makes it safe for pouring boiling water or using it on microwave oven and refrigerator MULTIUSED WITH STRAW AND LIDGlass Tumbler cup with Silicone Mats and two reusable food grade silicone straws will make the easy Or you can take off the lid and drink directly Suitable for watericed teajuicemilkshakecoffee smoothiemilkand other DIY beverages WIDE MOUTH FOR EASY CLEAN35inch cup diameterlet your hand reach the bottom easilymaking the inside cleaning become very convenient and recommend to hand washWide opening is also easy to add ice cube and refill LARGE CAPACITY ERGONOMICALLY DESIGN12OZ 350ml capacity cute printingeasily measure by the clear scale Glass tumbler with handle makes it comfortable and convenient to use applied to anyone airtight seal and leak proof with silicone ring no worry of spills