You have 4 choices of

-Vinyl (Glossy or Matte) is waterproof and good for tumblers, mugs, or anything that will get wet and is good for outdoor use.

-Holographic is very durable, tear-free, and waterproof. Great for outdoor use.

-Magnet. It is good for using indoors. It is not waterproof, so it is not recommended for outdoor use.

Size is 3x3in