The canning process has been around for over 200 years. Along the way, canning methods have changed and evolved countless times to streamline the process and ensure food safety.
4ever recap reusable canning lids are made of BPA-free plastic, which is an FDA and USDA approved, food-grade material. The plastic lids meet CFR guidelines. We upgraded the original rubber gasket by replacing it with an unbeatable silicon gasket.