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MB SUPPLY has been designing and manufacturing durable custodial cart bags and related products for over 25 years. From standard replacements to fully private-label programs, we’ve produced bags for a wide range of organizations and brands—always with consistent quality and attention to detail. Everything we make is manufactured in-house in the USA, giving us full control over materials, workmanship, and customization. Based in Oswego, Illinois, we’re proud to be a reliable partner for products built to perform day after day.

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