Made of High-quality Stainless Steel Metal, This Beer Cooler Bottle has Excellent Thermal Insulated & Cold Retention Properties, the Stainless Steel Metal Material Makes It Anti-corrosion & Durable, & Can Maintain a Good Condition in Long-term Use. Stainless Steel Metal is an Eco Friendly & Healthy Material That Does Not Produce Harmful Substances to the Human Body & Does Not Affect the Taste of Beer. It is Very Suitable for Use as a Food Container. This Beer Cooler Bottle Provides the Function of Print Logo. in Order to Better Protect This Stainless Steel Metal Beer Cold Bottle, It is Equipped with a Bottle Cover Keeper, Which Can be Wrapped Around the Outside of the Cold Bottle to Increase the Heat Preservation Effect.