Acetylcholine charm is 26mm(1") x 10mm( 3/8"), on a sturdy iron key chain.
Ruler is there to show size.
♥ I hand make each piece with love and care.
I package each piece of jewelry in a colorful organza bag.
Perfect for gift giving or a gift for yourself.
♥ Don't forget to look through the add on section to add more customized fun.
https://www.etsy.com/shop/RevelryJewelry
Thank you.