Reuse and Reduce Waste – Bumkins reusable cloth sandwich and snack bags are made from our original waterproof fabric with zippered closure; sandwich bags are large enough to fit a bagel; not just for lunch, they make excellent organizers for storage and travel; stash inside purse, diaper bag, or travel bagAbout Our Original Fabric – 100-percent polyester with embedded TPU for waterproofing; although fabric is waterproof, bags are not completely leakproof due to zippered closureSafety Tested – At Bumkins, we use 3rd party labs to ensure the products we manufacture comply with CPSC and CPSIA standards for BPA, Lead, and PhthalatesEasy-To-Clean – Our fabric is wipeable, machine washable and dishwasher-safe (top rack); turn inside-out to wash; to extend the life of our reusable bags, we recommend air drying our quick-dry fabricAbout Bumkins – Since 1989, Bumkins has been designing fun and functional baby products to support the development needs and milestones of little ones; we are based in Phoenix, Arizona