Portable Eco-Friendly Travel Silver 1-18 Ounce Vintage Design Custom Outdoor Camping Stainless Steel Hip Flask. Customizable Size: Offers customized size options to meet specific requirements. Vintage Design: Features a classic vintage design style suitable for giveaways. Stainless Steel Material: Constructed from durable stainless steel for long-lasting use. Multiple Capacity Options: Available in various capacities ranging from 4 to 10 oz. 1-Year Warranty: Provides a 1-year warranty for any of our products. OEM/ODM Accepted: Accepts OEM and ODM services for custom manufacturing. CE / EU Certified: Products are certified with CE and EU standards. Manufacturer Direct: We are a manufacturer with export license, not a trading company.