Check the listing for details. 30X White Polypropylene 38/400 GROWLER Caps. Condition: New. Listed at 11.99 USD. I ALSO ACCEPT VISA - MASTERCARD - DISCOVER + E Checks VIA PAYPAL. 38/400 poly lined lids.38mm is approx 1 1/2" ID.400mm is the pitch of the threads.This lid is great for gallon and half gallon jugs. Even a lot of the smaller glass jugs use this type /size lid.This lid is famously for beer growlers since it has a nice poly liner.These lids are rustproof and dent resistant because they are plastic. FAST SHIPPING Measurements are INNER DIMENSIONS of the lids. You must measure the OUTER DIAMETER of your jars top opening to be sure you order the CORRECT lid size. I am not responsible for mistakes made by others guessing at a size + will not accept return w/o a large restocking fee of 25% + refund of my original shipping costs / packaging.ATTN: Any issues regarding damaged items must be addressed within 48 hours of delivery confirmation time-any issues after that will not be considered shipping damage. GOOD CLEAR PICTURES are mandatory-no exceptions.Ask any questions before purchasing. Items will ship via USPS in support of our postal workers. PayPal does not provide buyer or seller protection if an item is shipped to an address other than the one in the PayPal "ship to" address. CHECK OUT MY OTHER ITEMS AS WELL.THANKS FOR VIEWING.