Thanks for giving Ziploc® Space Bags® a try, Kelly. Each one should provide an air-tight seal, and we'd love the chance to make this up to you. When you're free to chat, please give us a call at 1-800-558-5252. You can reach us weekdays from 8 AM to 6 PM (CST), or feel free to email anytime at: http://bit.ly/1MCe4EQ. Be sure to mention reference number: 018502965A.