PET PERCH is a product designed to provide cats with a comfortable place to rest and relax. It is made of a sturdy material that can be attached to the side of a wall or window, allowing cats to have a secure spot to perch. The LAP part of the crossword solution refers to the fact that the PET PERCH is designed to fit snugly against the wall or window, providing cats with a cozy spot to curl up and take a nap.