All Shi Qing products are made from scientific-grade high borosilicate glass with a low expansion coefficient of 3.3, ensuring the most stable structure. They can withstand thermal shock — pouring boiling water at 100°C into a vessel just taken from -50°C freezing conditions poses no issue. Lead-free and non-toxic, they are safe for everyday use.
Crafted with precision fire-polishing, the glassware features a crystal-clear finish that resists water stains and clouding during daily use. Every piece is handmade, with intricate and refined designs. The entire product line is resistant to both freezing and high heat
