Premium Insulated Tumbler with Superior Temperature Retention Crafted from double-layered 304 stainless steel with advanced vacuum insulation technology, this tumbler maintains optimal beverage temperatures - keeping drinks cold for 6-8 hours and hot for 5-6 hours. Available in 14oz and 10oz capacities, its slim design offers enhanced grip and portability, making it ideal for travel and everyday use. The innovative leak-proof flip lid features a silicone sealing ring that twists securely for spill protection superior to traditional press-on designs. The high-quality matte finish provides anti-slip properties and resists fingerprints, maintaining its elegant appearance while ensuring a secure hold. Perfect for diverse applications, from premium tea service to on-the-go consumption, this versatile tumbler combines functionality with sophisticated design. Note: Hand washing recommended to preserve the special coating.zq20260203121109