The Itzy Ritzy Snack Happens SWB8318 Snack Bag is the best way to store snacks and travel with liquid items while still being stylish. Each bag comes in a cute pattern and has a 100% cotton exterior. The lining is waterproof, FDA approved and BPA, lead and PVC-free. A zipper closure keeps contents in place while on-the-go. Machine washable; line drying is recommended.