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. Colibri snack bags have been tested and certified to meet both FDA and Health Canada food safety standards. Product Care: Machine wash cold, dry on low or hand wash. Size: Large snack bags hold 3 cups. Think of the perfect sandwich, popcorn, or a variety of veggies. These bags are great for small toiletries, power cords, and more!