I fell in love with these keys last year. They can be personalized or you could do a generic design and sublimation on the round white circle that comes with the key.
The key is 4 1/2 inches long. So its not tiny like many.
Product Size: 1"x4.5"
Image Size: .90"x.90"
Sublimation Instructions:
356 F (180℃), 45 seconds.
Please remove the protective plastic film of the metal before heat pressing. You may need to adjust time & temperature according to your heat press
