Product description 304 Food Grade Stainless Steel

• Capacity : 500 ML
• PREMIUM QUALITY: 304 Stainless Steel Thermal Insulation Performance Hot 12hours Cold 24hours, Powder Coating, Polishing, Spray Surface Finishing Painting, Gas Dye Printing, With LED Display.
• The smart chip senses the temperature and automatically turns off the screen display when not in use.
• Leak Proof Design: the 500 ml double walled water bottles are designed to reduce spilling and shaking, as a leakproof silicone ring is embedded on the inside of the lid, so the bottle is safe in the bag when you go outside; And the about 17 oz/ 500 ml water bottle fits most cup holders and fits easily in a bag for travel
• Smart Temperature Display: each of these smart water bottles has a waterproof LED display with low energy consumption, no need to replace the battery, and will last for years, please gently press the top of the bottles, and the sensitive capacity touch cover can instantly display the water temperature in the bottles, avoiding embarrassing burns