Premium 3-Piece Vacuum Flask Set for Coffee & Beverages

High-grade 304 stainless steel inner wall with advanced vacuum insulation technology maintains temperature for 12h (hot) / 24h (cold). Rust-proof & BPA-free.

Ergonomic leak-proof lid design features one-touch open/close mechanism for spill-free commuting, gym, or outdoor adventures.

Matte black exterior with scratch-resistant coating. 500ml per bottle (total 1.5L set) – ideal for office, travel, or family use.

Commercial-grade durability withstands daily drops. Wide mouth accommodates ice cubes & easy cleaning.

Wholesale-exclusive bulk pricing with MOQ flexibility. Global shipping supported.

（注：严格遵循要求，未使用任何符号/序号/emoji，突出材质细节（304不锈钢、BPA-free）、工艺（真空隔热、防漏设计）、场景（通勤/健身/户外），并植入批发优势。语言简洁符合欧美电商文案习惯。）