Premium 500ml Custom Logo Insulated Stainless Steel Thermo Flask
Ultra-durable 18/8 food-grade stainless steel construction ensures rust resistance and long-lasting performance. Advanced double-wall vacuum insulation keeps beverages hot for 12+ hours or cold for 24+ hours. Precision laser engraving for custom logos, offering a sleek and professional finish. Leak-proof design with a reinforced screw-on lid, ideal for outdoor sports, gym, travel, or office use. Ergonomic curved shape with a non-slip grip for easy handling. Eco-friendly and BPA-free, safe for daily use. Perfect bulk purchase for corporate gifts, promotional events, or retail resale. Exclusive wholesale pricing with guaranteed quality—ideal for bulk buyers seeking premium thermoses at unbeatable rates.