EcoPeaceful Wide Mouth 316 Surgical Stainless Steel Lids - Rust Proof, Airtight, Leak Proof, BPA Free, PVC Free, Vegan Free, Reusable, Not Suitable for Canning

HIGHEST FOOD GRADE MATERIALS: 316 SURGICAL STAINLESS STEEL - Highest Food-Grade that is used in biomedical applications & has the best rust-proof properties. PINCH TEST SILICONE - Our silicone is the highest food-grade silicone that is inert & does not show white when stretched or pinched. If silicone turns white when pinched or stretched, it indicates low-quality silicone and/or added plastic fillers. We choose to pay extra for the best silicone. HEAVY DUTY & DURABLE: ~40% thicker/heavier, than original mason jar lids and other stainless steel lids. Unbreakable, will not crack or break apart like plastic caps, or flake, bend & rust like the canning metal lids. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions..International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions..International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.