LINGCHEN Double Layer Glass Tea Cup High Borosilicate Explosion-Proof Heat-Resistant Business Glass for Men and Women

Double-layer thickened borosilicate glass for heat resistance and insulation

Ergonomic handle with anti-slip and anti-scald design

360° leak-proof sealing with vapor-phase silicone ring

Stainless steel tea filter for effective tea separation and filtration

Stainless steel reflux lid for durability and health safety

Thickened smooth polished glass rim for comfortable drinking

Integrated thickened glass bottom for stability and durability

Full stainless steel lid with spray coating for wear resistance

CD pattern decoration on glass surface for aesthetic appeal

Leak-proof tested by shaking with 50% hot water (95°C+) and cold water, no leakage after 30 minutes

Recommended to rinse with cold water before use, then pour a small amount of hot water to preheat

Clean with neutral detergent and soft cloth or sponge; use dedicated brush for tea filter cleaning

Avoid abrasive cleaners, metal scrubbers, or chlorine-containing detergents to prevent damage

Do not use in microwave, oven, or dishwasher

Do not fill with carbonated drinks, acidic juices, milk, or dairy products to avoid spoilage or damage

Keep out of reach of children when containing hot liquids to prevent burns

All dimensions are manually measured with possible ±0.2 cm deviation, which is normal and not a quality issue

Double-layer glass does not provide thermal insulation like vacuum flasks

Avoid sudden temperature changes to prevent glass damage

Do not stir vigorously with metal spoons inside the double-layer glass cavity

Avoid using cleaning agents containing sodium bicarbonate, sodium carbonate, citric acid, or peroxides in sealed state to prevent gas expansion and glass breakage

Product shipped randomly with either old or new version during upgrade period; no option for specification selection