Premium Custom Pattern Vacuum Flask – Ultimate Thermal Insulation
Crafted with high-quality borosilicate glass, this vacuum flask ensures superior temperature retention, keeping beverages hot (12+ hours) or cold (24+ hours). The double-wall vacuum insulation and leak-proof silicone seal prevent heat transfer and spills. The elegant custom pattern design adds a personalized touch, perfect for home, office, travel, or outdoor activities. Durable stainless steel base and wide mouth for easy cleaning and versatile use—ideal for water, coffee, tea, or smoothies. Offered at unbeatable wholesale prices, this flask combines style, functionality, and affordability for bulk buyers worldwide. Upgrade your drinkware collection with this premium thermal solution!