DabuLiu 350/500/750/1000ml Double Wall Stainles Steel Water Bottle Thermos Keep Hot and Cold Insulated Vacuum Flask for Sport

Anti-corrosion Coating:Not Equipped Boiling Water:Applicable Outdoor Activity:Climbing Bottle Mouth:1 Feature:Eco-Friendly Certification:CIQ Thermal Insulation Performance:Thermal Insulation Model Number:aa Shape:With Lid Applicable People:Adults Supply Type:In-Stock Items Material:Metal Water Flowing Method:Direct Drinking Style:SPORT Origin:Mainland China Drinkware Type:Water Bottles 【About holding time measurement】 Real tailless vacuum technology cool and heat preservation super thermal insulation performance outshine the group cup test environment: room temperature: 20 degrees injection water temperature: boiling water 100 degrees test tool: industrial water thermometer 6 hours to measure the temperature of 70 degrees plus or minus 5 degrees; 12-hour temperature measurement of 50 degrees plus or minus 5 degrees; (measurement season: October room temperature 20 degrees) good products will have confidence please test according to the above standards by yourself no need to worry about thermal insulation performance!