THINKCHANCES Black Rust Proof and Air Tight Aluminum One Piece Storage Lid with Silicone Sealing Linear Plastisol for Wide Mouth Transform Mason Ball Canning Jars (6 Pack, Wide Mouth)

Key features

• A set includes 6 matt black aluminum one piece storage mason ball lids with sealing linear gasket on bottom for wide mouth mason jars (3“ internal diameter).
• The regular mouth aluminum matt black sealing ball jar storage lid is made from food grade aluminum, same production proesses as tin jar lids, comply with food regulations and BPA free.
• The sealingl canning ball lids/caps are rust proof, would not have rust problem as normal lids made from tinplate.
• The jar lid would seal the jar properly, would not have leakage problem.
• The storage lids/caps with sealing gasket can be used properly with your wide mouth jars.