How to Wash Reusable Bags

Why Reusable Bags Need Regular Washing

Studies have found that unwashed reusable grocery bags can harbor dangerous levels of bacteria — especially bags used to carry raw meat, produce, or damp items. Most people never wash their reusable bags, but they should be washed regularly to prevent cross-contamination and keep them safe for food use.

How Often Should You Wash Reusable Bags?

• Grocery bags used for raw meat or produce: after every use
• General grocery bags: weekly or every 2–3 uses
• Tote bags for non-food items: monthly or when visibly soiled
• Insulated bags: after every use if used for raw meat or fish

Cotton and Canvas Tote Bags

Machine wash on a warm or hot cycle with regular detergent. Hot water kills bacteria most effectively for bags that carry food. Tumble dry on medium heat or air dry.

Nylon and Polyester Reusable Bags

Machine wash on a gentle cycle with cold water. Place in a mesh laundry bag to prevent straps from tangling. Air dry — high heat can warp nylon and damage laminated coatings.

Insulated Bags (Lunch Bags, Cooler Bags)

Do not machine wash. Wipe the interior with warm water and mild dish soap. For odors: wipe with equal parts water and white vinegar. Leave open to air dry completely.

Woven Polypropylene Bags

Hand wash in warm soapy water with a cloth or sponge. Rinse thoroughly and air dry, or wipe down with disinfecting wipes for a quick clean.

How to Remove Stains and Odors

• Food stains: pre-treat with Shout Active Enzyme Stain Remover before washing
• Odors: soak in water and white vinegar (1:4) for 30 minutes before washing
• Mold: scrub with baking soda paste, rinse, then wash as normal

Quick Tips for Reusable Bag Hygiene

• Use separate bags for raw meat, produce, and non-food items
• Store in a clean, dry place — not in a hot car trunk
• Replace bags with permanent stains, tears, or persistent odors

Recommended Products

• XX-Large Mesh Laundry Bag — keep nylon bag straps tangle-free during machine washing
• Shout Active Enzyme Stain Remover — pre-treat food stains before washing