1. The maximum heat-resistant temperature of the double boron glass is 120℃.
2. Please avoid using stainless steel spoon and hard stirring rod to knock the glass to avoid cracking.
3. The air hole at the bottom of the double-layer glass is a normal phenomenon, not a defect, please feel free to use.
4. Due to the special hand-made process, individual products may have slight differences, this is normal.
5. Please wash by hand, and use neutral detergent and sponge cleaning, please do not use vegetable cloth or steel brush and other sharp objects.
6. This product is not suitable for use in microwave ovens, dishwashers, ovens, freezers.
7. This product is fragile, please be careful to avoid strong collision. If there are cracks or missing corners, please do not use again to avoid cuts.
8. Due to the special shape of the cup, some styles will be unstable. Please consider carefully before placing an order.