The 500ml vacuum cup, constructed from food-grade 304 stainless steel, maintains liquid temperatures with 24-hour cold insulation and 12-hour heat...
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The 500ml vacuum cup, constructed from food-grade 304 stainless steel, maintains liquid temperatures with 24-hour cold insulation and 12-hour heat preservation, ensuring beverage quality and safety over extended periods. Its durable material resists corrosion and supports hygienic use.
