The Caps measure near 1/2" x 1/4". The Photo Stone Emblem Picture measures 5/16".
In Millimeters it measures 15mm x 10mm with an 8mm Photo Stone Emblem.
Standard Tire Valve Cap Size.
Items are scanned and may appear larger than actual size.
They are shipped in a 2"x 2" poly bag.
Thanks for looking. Questions Welcomed.