Baoshi Baby Bottle Insulation Sleeve Compatible with Pigeon Square and Other Bottles, Windowed Visible Design, Universal Portable Milk Warmer Sleeve 160ML

Tested with and without insulation sleeve; actual performance may vary due to environmental factors

Transparent PET viewing window to monitor milk level

Adjustable drawstring design for easy one-handed carrying and portability; can be hand-held or hung on stroller

Washable and reusable; gentle washing recommended to protect internal aluminum foil layer

Keeps milk warm during feeding to prevent baby from drinking cold milk which may cause diarrhea and affect digestion

Data provided is for reference only; insulation effectiveness may be influenced by ambient temperature and other factors