This insulated lunch bag is known for being one the ice brick still being half frozen by the end of the school day! The MontiiCo insulated lunch bag is one of the bigger ones on the market at the moment and it will fit most lunch boxes.
MontiiCo Insulated Cooler Lunch Bags (Best for school/Kinder) – AST + CO
MontiiCo Large Insulated Lunch Bag - Wave Rider
Montiico: Medium Insulated Lunch Bag
MontiiCo Medium Insulated Lunch Bag - Rainbow Roller
Lekesky Lunch Bag for Men Work Insulated Tactical Lunchbox Heavy Duty Lunch Cooler Bags Adults Office 24-can (15L), Black: Home & Kitchen
MontiiCo Medium Insulated Lunch Bag - Rainbow Roller
MontiiCo insulated cooler lunch bag – My Green Stuff
Montii Insulated Lunch Bag - Large - Little Giants Kids Store
Lekesky Lunch Bag for Men Work Insulated Tactical Lunchbox Heavy Duty Lunch Cooler Bags Adults Office 24-can (15L), Black: Home & Kitchen