bodum cup coffee cup microwave safe CANTEEN cup Borosilicate Glass Mug Heat-Resistant Glass Cup Double Wall Glass Cup Juice Milk Tea Glass Water

[Product Features]
?Double-layer Glass Design, Outer Glass Does Not Penetrate Water Droplets_x0008_; Drink Hot Drinks, Not Hot To Hold.
?Is Isolated From Cold/Hot Air, With The Effect Of "Cooling, Heat Preservation" Of Thermos Flask To Keep Drinks Fresh.
?Choose High Boron Glass Material, Resistant To About 120°C Instantaneous Temperature Difference
?The Air Hole Design At The Bottom Of The Cup, When The Temperature Changes, The Air Pressure Can Be Adjusted Through This Air Hole To Avoid The Glass From Breaking (There Is A Small Hole At The Bottom Of The Double-Layer Glass Cup, Which Belongs To The Hand-Blown Glass Cup Process Closing, And Has Been Sealed, Non-Defective)
-----------------------------------------------------
??Precautions For Use??
1.Dishwasher, Microwave, Heater Heating Is Not Available.
2.Please Put The Ice Cubes Carefully And Slowly To Avoid Breaking The Inner Wall Of The Glass.
3.Since It Is A Double-Layer Design, The Glue Point At The Bottom Of The Cup Is A Ventilation Hole Left By The Blown Glass, Which Is Not A Defect In The Item.This Air Hole Is Sealed With Special Material To Ensure That The Double Layer Will Not Enter The Water.Please Do Not Cut It To Avoid Water Leakage And Affect The Use! (Never Scrub This Sealing Hole Hard When Soaking In Water For A Long Time) To Avoid Penetration Damage, Water Or Steam.
4.Please Hand Wash Gently With Neutral Detergent Or Wash With A Soft Cloth, Do Not Use Steel Brush Or Vegetable Melon Cloth To Avoid Scratching The Glass Surface.
5.This Product Is Made By Hand, Purely Hand-Blown And Produced Glass, It Is Impossible To Be One Hundred Percent Perfect, It Is Inevitable That There Will Be Small Problems Such As Small Bubbles And Other Production, Which Will Not Affect The Quality And Safety Of The Goods.The Product Is Measured By Hand, And Error Cannot Be Avoided.There Is About 3-5% Error Between The Size And Capacity, Please Be Sure To Pay Attention.
-----------------------------------------------------
?After Receiving The Goods, Please Check First Whether There Are Any Defects Or Damages, If You Have Any Questions, Please Use Chat To Contact Us, We Are Very Happy To Help You Deal With It.If There Is Any Damage After Receiving The Goods, Please Take A Photo And Leave A Message, And You Will Arrange A Replacement After Confirmation With You.
?[Please Do Not Use Evaluation To Communicate With Customer Service, Please Contact Chat] If You Have Any Questions, Please Chat With Private Message Customer Service To Help You Deal With It, Thank You!