JD Jingzao Insulated Mug [COSTA Collaboration] Flip Lid Portable Stainless Steel Coffee Cup 350ml

Do not overfill with boiling water to avoid burns

Avoid dropping or strong impacts to prevent deformation and loss of function

Keep all parts (lid, sealing ring, insulation switch) intact to maintain performance

Do not expose to direct heat or high temperature to prevent deformation or discoloration

Do not put dry ice, carbonated drinks, soy sauce, or acidic/salty liquids inside to avoid corrosion or pressure build-up

Clean with neutral detergent and warm water; avoid alkaline bleach or chemical cleaners

Consume perishable drinks like milk promptly and clean immediately to prevent spoilage and corrosion

Minor air marks from injection molding are normal and do not affect quality

Product batch variations may occur without functional differences