specifications:

Size - 86mmor 3.4''  

Color- Silver Material Type -Premium Tinplate Metal with Silicone Sealing Ring. 

Quantity -You will receive 50 Lids & 50 Rings/Bands per box.

Food-Grade metal mason jar lids with BPA-free silicone seals. Rings are reusable, lids are for one-time use only.
100Pcs/50Sets Wide Mouth Canning Lids and Rings (50Lids +50Rings), fit ball and kerr brand preserving jars.
100% Fit & Airtight for wide mouth mason jars, pefect for canning food, jams, fruits, etc.
Seal in the freshness and enjoy freshly made foods tonight or tomorrow
It cannot be used with a regular mouth jars