heat-resistant thickening double-layer glass 耐热加厚双层玻璃

【Double-Layer Glass Cup】High borosilicate heat-resistant glass – resistant to cracking from -20°C to 150°C, perfect for hot and cold beverages. Hollow design provides insulation, prevents burns to hands, and offers a comfortable grip. Thickened body ensures clear transparency like crystal, delivering pure taste with every sip. Certified by FDA/SGS, safe and healthy. Suitable for office or home use; a cup of hot tea when you’re tired can warm your heart. Choose us for a quality life.