Hi James! We're very sorry to hear that the Press N Seal caps fell off, and that the cutter gave you trouble. We definitely wouldn't expect that to happen, and we'd love the opportunity to help! This is something that we'll be sure to share with our team. Also, we would be happy to learn more about this. Please give us a call at 1-800-835-4523 Monday through Friday: 9:00 a.m. — 5:30 p.m. EST. When you call, please provide the representative with this reference number, 160908-000255. Hope to hear from you soon!