A fitness company in the U.K. lately came under burn for an advertisement they posted outside of a school, and the owner wasn’t too happy about it.

Skinnypigs Fitness placed a banner outside of local schools announcing the more than “1 00 classes” they offer. The ad features two figures, one heavier and the other with a much slimmer silhouette, complete with an arrow pointing from the heavier one to the slimmer one. Next to the images is a bold yellow “CAUTION: Skinnypigs will make you appear better naked.”