Invite friends and family to your 16th birthday party with a unique invitation magnet. Your family and friends will absolutely love receiving this keepsake in the mail. Invitation magnets are digitally printed in beautiful full color and have a glossy finish. Magnets come fully assembled and include white envelopes. Magnets are flexible and the thickness is similar to that of a postcard. Return address printing is available on the back flap of the envelopes.