Send a self-addressed stamped envelope to:
Portals Project
C/O Jason Soltero
3600 Fairway Blvd
View Park, CA 90043
Each piece is unique, signed, numbered, and ranges from 3 1/2" to 4" square. They fit nicely in a standard #10 envelope . Please consider the final destination when you calculate the postage for the return envelope and check with the post office. A single current stamp will usually do within the Continental US.