Premium Stainless Steel Vacuum Flask – Custom Logo Wholesale
High-grade 18/8 stainless steel inner wall ensures superior durability and 100% rust resistance. Advanced double-wall vacuum insulation maintains hot/cold temperatures for 12/24 hours. Precision laser welding eliminates leaks; mirror-polished finish resists scratches. Ergonomic curved lid design for one-handed sipping, with a leak-proof rotary lock. Ideal for corporate gifts, outdoor travel, or office use. Supports full-color logo printing (min. order 500pcs) – perfect for branding and bulk promotions. Wholesale-exclusive pricing, MOQ flexibility, and global shipping. Custom packaging available.