Made in Canada with 100% cotton outer, 100% polyester with polyurethane membrane liner (commonly known as PUL). YKK zippers that are lead and nickel free. Buy with confidence! These snack bags have been tested and certified to meet both FDA and Health Canada food safety standards. Features & Benefits: - Made in Canada. - Zippers are lead and nickel free. - FDA certified. - Adheres to Health Canada food safety standards. - Machine wash cold / low dry or hand wash and hang to dry. - Small: Measuring 4 x 6", these bags hold 1 cup and are great for sliced fruit/veggies and other snacks. - Large: 7.5 x 7.5", these bags are great for sandwiches, bagels and muffins. - Wide: 2.5" x 11", these bags are great for reusable straws, utensils, pencils, and toothbrushes.