500ml High Quality Unique Design Vacuum Bullet Flask with Holder

500ml High Quality Unique Design Vacuum Bullet Flask with Holder. Customizable Color: Accept customization for color to meet specific design needs. Eco-Friendly Material: Made from BPA Free, Food-Grade Stainless Steel and Virgin PP. Long Heat Retention: Double wall construction holds temperature for up to 24 hours. 1-Year Quality Guarantee: Includes 1:1 100% reimbursement promise for quality failures. OEM/ODM Service: Own design team available to turn customer ideas into reality. Fast Sample Delivery: Samples without logo ready in 1-3 days; customized in 3-5 days. Competitive Factory Price: Direct factory pricing with long-term business relationship focus. Multiple Certifications: Certified by LFGB, FDA, CE/EU, CIQ, and EEC standards.