opt for the 2" diameter sticker for curved surfaces (helmets)

I recommend obtaining a 2" diameter sticker - this review rating is reflecting the ultimate best choice for our project.. My only negatives about this purchase include needing to purchase additional sizes after being unable to adhere our sticker to construction helmets. 4" and 3" diameter stickers caused significant creasing. In addition, the sticker does not appear entirely clear on the clear portions and is highly visible on a black surface. Service response has been great and timely. Will ultimately need to review other options before trying to do something like this again.